12656379022 has 8 divisors (see below), whose sum is σ = 21696649776. Its totient is φ = 5424162432.

The previous prime is 12656379017. The next prime is 12656379053. The reversal of 12656379022 is 22097365621.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12656379022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 452013523 + ... + 452013550.

It is an arithmetic number, because the mean of its divisors is an integer number (2712081222).

Almost surely, 2^12656379022 is an apocalyptic number.

12656379022 is a deficient number, since it is larger than the sum of its proper divisors (9040270754).

12656379022 is an equidigital number, since it uses as much as digits as its factorization.

12656379022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904027082.

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 12656379022 in words is "twelve billion, six hundred fifty-six million, three hundred seventy-nine thousand, twenty-two".