Which of the following numbers is exactly divisible by 4?

A number is exactly divisible by 4 if the last two digits of the number form a number that is divisible by 4.

For 10006: Last two digits are 06.
06 $$\div$$ 4 = remainder 2 (Not divisible by 4).

For 10012: Last two digits are 12.
12 $$\div$$  4 = remainder 0 (Divisible by 4).

For 10002: Last two digits are 02.
02 ÷ 4 = remainder 2 (Not divisible by 4).

For 10010: Last two digits are 10.
10 ÷ 4 = remainder 2 (Not divisible by 4).