12742556612 has 12 divisors (see below), whose sum is σ = 22303816080. Its totient is φ = 6370037736.

The previous prime is 12742556581. The next prime is 12742556621. The reversal of 12742556612 is 21665524721.

It is a self number, because there is not a number n which added to its sum of digits gives 12742556612.

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, 286838 + ... + 328269.

It is an arithmetic number, because the mean of its divisors is an integer number (1858651340).

Almost surely, 2^12742556612 is an apocalyptic number.

It is an amenable number.

12742556612 is a deficient number, since it is larger than the sum of its proper divisors (9561259468).

12742556612 is a wasteful number, since it uses less digits than its factorization.

12742556612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620290 (or 620288 counting only the distinct ones).

The product of its digits is 201600, while the sum is 41.

The spelling of 12742556612 in words is "twelve billion, seven hundred forty-two million, five hundred fifty-six thousand, six hundred twelve".