12979809235 has 16 divisors (see below), whose sum is σ = 16035012000. Its totient is φ = 10079030016.

The previous prime is 12979809229. The next prime is 12979809239. The reversal of 12979809235 is 53290897921.

It is a cyclic number.

It is not a de Polignac number, because 12979809235 - 2¹¹ = 12979807187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12979809239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6210 + ... + 161239.

It is an arithmetic number, because the mean of its divisors is an integer number (1002188250).

Almost surely, 2^12979809235 is an apocalyptic number.

12979809235 is a deficient number, since it is larger than the sum of its proper divisors (3055202765).

12979809235 is a wasteful number, since it uses less digits than its factorization.

12979809235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167910.

The product of its (nonzero) digits is 2449440, while the sum is 55.

The spelling of 12979809235 in words is "twelve billion, nine hundred seventy-nine million, eight hundred nine thousand, two hundred thirty-five".