12977949120 has 112 divisors (see below), whose sum is σ = 42534279168. Its totient is φ = 3349140480.

The previous prime is 12977949113. The next prime is 12977949161. The reversal of 12977949120 is 2194977921.

It is a happy number.

It is a super-2 number, since 2×12977949120² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188284 + ... + 247803.

Almost surely, 2^12977949120 is an apocalyptic number.

12977949120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12977949120 is an abundant number, since it is smaller than the sum of its proper divisors (29556330048).

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

12977949120 is a wasteful number, since it uses less digits than its factorization.

12977949120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436138 (or 436128 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 51.

The spelling of 12977949120 in words is "twelve billion, nine hundred seventy-seven million, nine hundred forty-nine thousand, one hundred twenty".