12137775356 has 12 divisors (see below), whose sum is σ = 24275550768. Its totient is φ = 5201903712.

The previous prime is 12137775343. The next prime is 12137775383. The reversal of 12137775356 is 65357773121.

12137775356 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 12137775356.

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, 216745961 + ... + 216746016.

It is an arithmetic number, because the mean of its divisors is an integer number (2022962564).

Almost surely, 2^12137775356 is an apocalyptic number.

It is an amenable number.

12137775356 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12137775356 is a wasteful number, since it uses less digits than its factorization.

12137775356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433491988 (or 433491986 counting only the distinct ones).

The product of its digits is 926100, while the sum is 47.

The spelling of 12137775356 in words is "twelve billion, one hundred thirty-seven million, seven hundred seventy-five thousand, three hundred fifty-six".