Alright, let's work through 12422387 times 49988955 step by step
12422387 × 49988955 = 49988955 × (12422387)
+ 49988955 × 7 what gives us 349922685
+ 49988955 × 80 resulting in 3999116400
+ 49988955 × 300 which equals 14996686500
+ 49988955 × 2000 that is equal 99977910000
+ 49988955 × 20000 producing 999779100000
+ 49988955 × 400000 that is equal 19995582000000
+ 49988955 × 2000000 which equals 99977910000000
+ 49988955 × 10000000 that is equal 499889550000000

= 620982144735585
