12890679943679 has 8 divisors (see below), whose sum is σ = 13580435005680. Its totient is φ = 12202054704000.

The previous prime is 12890679943667. The next prime is 12890679943703. The reversal of 12890679943679 is 97634997609821.

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 12890679943679 - 2²⁴ = 12890663166463 is a prime.

It is a super-2 number, since 2×12890679943679² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12890679943279) 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, 282432152 + ... + 282477789.

It is an arithmetic number, because the mean of its divisors is an integer number (1697554375710).

Almost surely, 2^{12890679943679} is an apocalyptic number.

12890679943679 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12890679943679 is a deficient number, since it is larger than the sum of its proper divisors (689755062001).

12890679943679 is a wasteful number, since it uses less digits than its factorization.

12890679943679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564911161.

The product of its (nonzero) digits is 2222131968, while the sum is 80.

The spelling of 12890679943679 in words is "twelve trillion, eight hundred ninety billion, six hundred seventy-nine million, nine hundred forty-three thousand, six hundred seventy-nine".