12559768422 has 32 divisors (see below), whose sum is σ = 25316477952. Its totient is φ = 4153853664.

The previous prime is 12559768387. The next prime is 12559768433. The reversal of 12559768422 is 22486795521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 583068 + ... + 604224.

It is an arithmetic number, because the mean of its divisors is an integer number (791139936).

Almost surely, 2^12559768422 is an apocalyptic number.

12559768422 is an abundant number, since it is smaller than the sum of its proper divisors (12756709530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12559768422 is a wasteful number, since it uses less digits than its factorization.

12559768422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21932.

The product of its digits is 2419200, while the sum is 51.

The spelling of 12559768422 in words is "twelve billion, five hundred fifty-nine million, seven hundred sixty-eight thousand, four hundred twenty-two".