12239839104 has 32 divisors (see below), whose sum is σ = 32512073640. Its totient is φ = 4079946240.

The previous prime is 12239839063. The next prime is 12239839127. The reversal of 12239839104 is 40193893221.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×12239839104² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15936907 + ... + 15937674.

Almost surely, 2^12239839104 is an apocalyptic number.

It is an amenable number.

12239839104 is an abundant number, since it is smaller than the sum of its proper divisors (20272234536).

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

12239839104 is an equidigital number, since it uses as much as digits as its factorization.

12239839104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31874598 (or 31874586 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The spelling of 12239839104 in words is "twelve billion, two hundred thirty-nine million, eight hundred thirty-nine thousand, one hundred four".