12912662879 has 8 divisors (see below), whose sum is σ = 12930103872. Its totient is φ = 12895236640.

The previous prime is 12912662863. The next prime is 12912662909. The reversal of 12912662879 is 97826621921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12912662879 - 2⁴ = 12912662863 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12912662879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12912662839) 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, 4269962 + ... + 4272984.

It is an arithmetic number, because the mean of its divisors is an integer number (1616262984).

Almost surely, 2^12912662879 is an apocalyptic number.

12912662879 is a deficient number, since it is larger than the sum of its proper divisors (17440993).

12912662879 is a wasteful number, since it uses less digits than its factorization.

12912662879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7377.

The product of its digits is 1306368, while the sum is 53.

The spelling of 12912662879 in words is "twelve billion, nine hundred twelve million, six hundred sixty-two thousand, eight hundred seventy-nine".