12793511912 has 16 divisors (see below), whose sum is σ = 23990667360. Its totient is φ = 6396000624.

The previous prime is 12793511903. The next prime is 12793511933. The reversal of 12793511912 is 21911539721.

It is a self number, because there is not a number n which added to its sum of digits gives 12793511912.

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, 18878 + ... + 161069.

It is an arithmetic number, because the mean of its divisors is an integer number (1499416710).

Almost surely, 2^12793511912 is an apocalyptic number.

It is an amenable number.

12793511912 is a deficient number, since it is larger than the sum of its proper divisors (11197155448).

12793511912 is a wasteful number, since it uses less digits than its factorization.

12793511912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188840 (or 188836 counting only the distinct ones).

The product of its digits is 34020, while the sum is 41.

The spelling of 12793511912 in words is "twelve billion, seven hundred ninety-three million, five hundred eleven thousand, nine hundred twelve".