12997368836 has 96 divisors (see below), whose sum is σ = 26181429120. Its totient is φ = 5607014400.

The previous prime is 12997368827. The next prime is 12997368863. The reversal of 12997368836 is 63886379921.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6938396 + ... + 6940268.

It is an arithmetic number, because the mean of its divisors is an integer number (272723220).

Almost surely, 2^12997368836 is an apocalyptic number.

It is an amenable number.

12997368836 is an abundant number, since it is smaller than the sum of its proper divisors (13184060284).

12997368836 is a wasteful number, since it uses less digits than its factorization.

12997368836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2085 (or 2083 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 62.

The spelling of 12997368836 in words is "twelve billion, nine hundred ninety-seven million, three hundred sixty-eight thousand, eight hundred thirty-six".