To divide 123456789012345 by 98765, we can use long division.

First, let's set up the division:
```
        ____________
98765 | 123456789012345
```

Step 1: Divide the first few digits of the dividend by the divisor.
How many times does 98765 go into 123456? It goes 1 time.
$1 \times 98765 = 98765$
```
        1
        ____________
98765 | 123456789012345
        -98765
        ------
         24691
```

Step 2: Bring down the next digit (7) and form a new number.
Now we need to divide 246917 by 98765.
$246917 \div 98765 \approx 2$
$2 \times 98765 = 197530$
```
        12
        ____________
98765 | 123456789012345
        -98765
        ------
         246917
        -197530
        -------
          49387
```

Step 3: Bring down the next digit (8) and form a new number.
Now we need to divide 493878 by 98765.
$493878 \div 98765 \approx 5$
$5 \times 98765 = 493825$
```
        125
        ____________
98765 | 123456789012345
        -98765
        ------
         246917
        -197530
        -------
          493878
         -493825
         -------
               53
```

Step 4: Bring down the next digit (9).
Now we need to divide 539 by 98765. This is 0.
$0 \times 98765 = 0$
```
        1250
        ____________
98765 | 123456789012345
        -98765
        ------
         246917
        -197530
        -------
          493878
         -493825
         -------
               539
                -0
                ----
               539
```

Step 5: Bring down the next digit (0).
Now we need to divide 5390 by 98765. This is 0.
$0 \times 98765 = 0$
```
        12500
        ____________
98765 | 123456789012345
        -98765
        ------
         246917
        -197530
        -------
          493878
         -493825
         -------
               539
                -0
                ----
               5390
                 -0
                 ----
               5390
```

Step 6: Bring down the next digit (1).
Now we need to divide 53901 by 98765. This is 0.
$0 \times 98765 = 0$
```
        125000
        ____________
98765 | 123456789012345
        -98765
        ------
         246917
        -197530
        -------
          493878
         -493825
         -------
               539
                -0
                ----
               5390
                 -0
                 ----
               53901
                  -0
                  -----
               53901
```

Step 7: Bring down the next digit (2).
Now we need to divide 539012 by 98765.
$539012 \div 98765 \approx 5$
$5 \times 98765 = 493825$
```
        1250005
        ____________
98765 | 123456789012345
        -98765
        ------
         246917
        -197530
        -------
          493878
         -493825
         -------
               539
                -0
                ----
               5390
                 -0
                 ----
               53901
                  -0
                  -----
               539012
              -493825
              -------
                45187
```

Step 8: Bring down the next digit (3).
Now we need to divide 451873 by 98765.
$451873 \div 98765 \approx 4$
$4 \times 98765 = 395060$
```
        12500054
        ____________
98765 | 123456789012345
        -98765
        ------
         246917
        -197530
        -------
          493878
         -493825
         -------
               539
                -0
                ----
               5390
                 -0
                 ----
               53901
                  -0
                  -----
               539012
              -493825
              -------
                451873
               -395060
               -------
                 56813
```

Step 9: Bring down the next digit (4).
Now we need to divide 568134 by 98765.
$568134 \div 98765 \approx 5$
$5 \times 98765 = 493825$
```
        125000545
        ____________
98765 | 123456789012345
        -98765
        ------
         246917
        -197530
        -------
          493878
         -493825
         -------
               539
                -0
                ----
               5390
                 -0
                 ----
               53901
                  -0
                  -----
               539012
              -493825
              -------
                451873
               -395060
               -------
                 568134
                -493825
                -------
                  74309
```

Step 10: Bring down the last digit (5).
Now we need to divide 743095 by 98765.
$743095 \div 98765 \approx 7$
$7 \times 98765 = 691355$
```
        1250005457
        ____________
98765 | 123456789012345
        -98765
        ------
         246917
        -197530
        -------
          493878
         -493825
         -------
               539
                -0
                ----
               5390
                 -0
                 ----
               53901
                  -0
                  -----
               539012
              -493825
              -------
                451873
               -395060
               -------
                 568134
                -493825
                -------
                  743095
                 -691355
                 -------
                   51740
```

The quotient is 1250005457 and the remainder is 51740.

The final answer is $\boxed{\text{Quotient: 1250005457, Remainder: 51740}}$.
