Question

twelve billion thirty million twelve thousand eight hundred and nine

Answer 1

Twelve billion = 12 000 000 000

thirty million = 30 000 000

12 thousands = 12 000

8 hundred = 800

nine = 9

Answer: 12 030 012 809

Answer 2

$\huge {\bold {Solutions:-}}$


Twelve billion = 12,000,000,000

Thirty million = 30,000,000

Twelve thousand = 12,000

Eight hundreds = 800

Nine = 9


So,
12,000,000,000 + 30,000,000 + 12,000 + 800 + 9

= $\huge {\bold {12,030,012,809}}$