12865774942 has 8 divisors (see below), whose sum is σ = 19439528976. Its totient is φ = 6385931952.

The previous prime is 12865774921. The next prime is 12865774991. The reversal of 12865774942 is 24947756821.

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

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, 23477418 + ... + 23477965.

It is an arithmetic number, because the mean of its divisors is an integer number (2429941122).

Almost surely, 2^12865774942 is an apocalyptic number.

12865774942 is a deficient number, since it is larger than the sum of its proper divisors (6573754034).

12865774942 is a wasteful number, since it uses less digits than its factorization.

12865774942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46955522.

The product of its digits is 6773760, while the sum is 55.

The spelling of 12865774942 in words is "twelve billion, eight hundred sixty-five million, seven hundred seventy-four thousand, nine hundred forty-two".