12988704155 has 12 divisors (see below), whose sum is σ = 18131171040. Its totient is φ = 8906539824.

The previous prime is 12988704151. The next prime is 12988704181. The reversal of 12988704155 is 55140788921.

It is not a de Polignac number, because 12988704155 - 2² = 12988704151 is a prime.

It is a super-2 number, since 2×12988704155² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12988704151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26507315 + ... + 26507804.

It is an arithmetic number, because the mean of its divisors is an integer number (1510930920).

Almost surely, 2^12988704155 is an apocalyptic number.

12988704155 is a deficient number, since it is larger than the sum of its proper divisors (5142466885).

12988704155 is an equidigital number, since it uses as much as digits as its factorization.

12988704155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53015138 (or 53015131 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 50.

The spelling of 12988704155 in words is "twelve billion, nine hundred eighty-eight million, seven hundred four thousand, one hundred fifty-five".