To find the quotient and remainder of $123,456,789,012,345 \div 98,765$, we perform long division.

### Step 1: Perform the Division

1.  **Divide 123,456 by 98,765:**
    *   $123,456 \div 98,765 = 1$
    *   $1 \times 98,765 = 98,765$
    *   $123,456 - 98,765 = 24,691$
    *   **Current Quotient: 1**

2.  **Bring down the 7 (246,917):**
    *   $246,917 \div 98,765 \approx 2.5 \rightarrow 2$
    *   $2 \times 98,765 = 197,530$
    *   $246,917 - 197,530 = 49,387$
    *   **Current Quotient: 12**

3.  **Bring down the 8 (493,878):**
    *   $493,878 \div 98,765 = 5$
    *   $5 \times 98,765 = 493,825$
    *   $493,878 - 493,825 = 53$
    *   **Current Quotient: 125**

4.  **Bring down the 9 (539):**
    *   $539 < 98,765$, so the result is $0$.
    *   $539 - 0 = 539$
    *   **Current Quotient: 1,250**

5.  **Bring down the 0 (5,390):**
    *   $5,390 < 98,765$, so the result is $0$.
    *   $5,390 - 0 = 5,390$
    *   **Current Quotient: 12,500**

6.  **Bring down the 1 (53,901):**
    *   $53,901 < 98,765$, so the result is $0$.
    *   $53,901 - 0 = 53,901$
    *   **Current Quotient: 125,000**

7.  **Bring down the 2 (539,012):**
    *   $539,012 \div 98,765 \approx 5.45 \rightarrow 5$
    *   $5 \times 98,765 = 493,825$
    *   $539,012 - 493,825 = 45,187$
    *   **Current Quotient: 1,250,005**

8.  **Bring down the 3 (451,873):**
    *   $451,873 \div 98,765 \approx 4.57 \rightarrow 4$
    *   $4 \times 98,765 = 395,060$
    *   $451,873 - 395,060 = 56,813$
    *   **Current Quotient: 12,500,054**

9.  **Bring down the 4 (568,134):**
    *   $568,134 \div 98,765 \approx 5.75 \rightarrow 5$
    *   $5 \times 98,765 = 493,825$
    *   $568,134 - 493,825 = 74,309$
    *   **Current Quotient: 125,000,545**

10. **Bring down the 5 (743,095):**
    *   $743,095 \div 98,765 \approx 7.52 \rightarrow 7$
    *   $7 \times 98,765 = 691,355$
    *   $743,095 - 691,355 = 51,740$
    *   **Final Quotient: 1,250,005,457**

### Results:
*   **Quotient:** $1,250,005,457$
*   **Remainder:** $51,740$
