12015839922 has 16 divisors (see below), whose sum is σ = 24370155072. Its totient is φ = 3948867440.

The previous prime is 12015839917. The next prime is 12015839981. The reversal of 12015839922 is 22993851021.

It is a super-2 number, since 2×12015839922² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14102673 + ... + 14103524.

It is an arithmetic number, because the mean of its divisors is an integer number (1523134692).

Almost surely, 2^12015839922 is an apocalyptic number.

12015839922 is an abundant number, since it is smaller than the sum of its proper divisors (12354315150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12015839922 is a wasteful number, since it uses less digits than its factorization.

12015839922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28206273.

The product of its (nonzero) digits is 77760, while the sum is 42.

The spelling of 12015839922 in words is "twelve billion, fifteen million, eight hundred thirty-nine thousand, nine hundred twenty-two".