12997948915 has 16 divisors (see below), whose sum is σ = 18440441280. Its totient is φ = 8605537920.

The previous prime is 12997948903. The next prime is 12997948933. The reversal of 12997948915 is 51984979921.

It is not a de Polignac number, because 12997948915 - 2⁷ = 12997948787 is a prime.

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, 6401916 + ... + 6403945.

It is an arithmetic number, because the mean of its divisors is an integer number (1152527580).

Almost surely, 2^12997948915 is an apocalyptic number.

12997948915 is a deficient number, since it is larger than the sum of its proper divisors (5442492365).

12997948915 is a wasteful number, since it uses less digits than its factorization.

12997948915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12805902.

The product of its digits is 14696640, while the sum is 64.

The spelling of 12997948915 in words is "twelve billion, nine hundred ninety-seven million, nine hundred forty-eight thousand, nine hundred fifteen".