12617938870 has 16 divisors (see below), whose sum is σ = 22713692400. Its totient is φ = 5046863904.

The previous prime is 12617938841. The next prime is 12617938891. The reversal of 12617938870 is 7883971621.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 202156 + ... + 257104.

It is an arithmetic number, because the mean of its divisors is an integer number (1419605775).

Almost surely, 2^12617938870 is an apocalyptic number.

12617938870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12617938870 is a deficient number, since it is larger than the sum of its proper divisors (10095753530).

12617938870 is a wasteful number, since it uses less digits than its factorization.

12617938870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77919.

The product of its (nonzero) digits is 1016064, while the sum is 52.

The spelling of 12617938870 in words is "twelve billion, six hundred seventeen million, nine hundred thirty-eight thousand, eight hundred seventy".