12877165120 has 56 divisors (see below), whose sum is σ = 30859180344. Its totient is φ = 5118038016.

The previous prime is 12877165109. The next prime is 12877165121. The reversal of 12877165120 is 2156177821.

It can be written as a sum of positive squares in 4 ways, for example, as 21233664 + 12855931456 = 4608^2 + 113384^2 .

It is a super-2 number, since 2×12877165120² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (12877165121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77917 + ... + 178396.

Almost surely, 2^12877165120 is an apocalyptic number.

12877165120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12877165120 is an abundant number, since it is smaller than the sum of its proper divisors (17982015224).

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

12877165120 is a wasteful number, since it uses less digits than its factorization.

12877165120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256487 (or 256477 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 40.

The spelling of 12877165120 in words is "twelve billion, eight hundred seventy-seven million, one hundred sixty-five thousand, one hundred twenty".