12879820795 has 32 divisors (see below), whose sum is σ = 16448832000. Its totient is φ = 9654188544.

The previous prime is 12879820781. The next prime is 12879820801. The reversal of 12879820795 is 59702897821.

It is a cyclic number.

It is not a de Polignac number, because 12879820795 - 2¹¹ = 12879818747 is a prime.

It is a super-2 number, since 2×12879820795² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6429264 + ... + 6431266.

It is an arithmetic number, because the mean of its divisors is an integer number (514026000).

Almost surely, 2^12879820795 is an apocalyptic number.

12879820795 is a deficient number, since it is larger than the sum of its proper divisors (3569011205).

12879820795 is a wasteful number, since it uses less digits than its factorization.

12879820795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2739.

The product of its (nonzero) digits is 5080320, while the sum is 58.

The spelling of 12879820795 in words is "twelve billion, eight hundred seventy-nine million, eight hundred twenty thousand, seven hundred ninety-five".