12872612115 has 24 divisors (see below), whose sum is σ = 24340940208. Its totient is φ = 6241266240.

The previous prime is 12872612063. The next prime is 12872612117. The reversal of 12872612115 is 51121627821.

It is a happy number.

12872612115 is a `hidden beast` number, since 1 + 28 + 7 + 2 + 612 + 1 + 15 = 666.

It is not a de Polignac number, because 12872612115 - 2⁷ = 12872611987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12872612115.

It is not an unprimeable number, because it can be changed into a prime (12872612117) 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 23 ways as a sum of consecutive naturals, for example, 13002144 + ... + 13003133.

It is an arithmetic number, because the mean of its divisors is an integer number (1014205842).

Almost surely, 2^12872612115 is an apocalyptic number.

12872612115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12872612115 is a deficient number, since it is larger than the sum of its proper divisors (11468328093).

12872612115 is a wasteful number, since it uses less digits than its factorization.

12872612115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26005299 (or 26005296 counting only the distinct ones).

The product of its digits is 13440, while the sum is 36.

The spelling of 12872612115 in words is "twelve billion, eight hundred seventy-two million, six hundred twelve thousand, one hundred fifteen".