Alright, let's work through 12064135 times 99646231 step by step
12064135 × 99646231 = 99646231 × (12064135)
+ 99646231 × 5 which equals 498231155
+ 99646231 × 30 giving us 2989386930
+ 99646231 × 100 that equals 9964623100
+ 99646231 × 4000 resulting in 398584924000
+ 99646231 × 60000 resulting in 5978773860000
+ 99646231 × 000000 producing 0
+ 99646231 × 2000000 which equals 199292462000000
+ 99646231 × 10000000 what gives us 996462310000000

= 1202145583025185
