12102626564564 has 24 divisors (see below), whose sum is σ = 21303623353320. Its totient is φ = 6015924701696.

The previous prime is 12102626564513. The next prime is 12102626564579. The reversal of 12102626564564 is 46546562620121.

It can be written as a sum of positive squares in 4 ways, for example, as 10919191536400 + 1183435028164 = 3304420^2 + 1087858^2 .

It is a super-2 number, since 2×12102626564564² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4941857 + ... + 6973320.

It is an arithmetic number, because the mean of its divisors is an integer number (887650973055).

Almost surely, 2^{12102626564564} is an apocalyptic number.

It is an amenable number.

12102626564564 is a deficient number, since it is larger than the sum of its proper divisors (9200996788756).

12102626564564 is a wasteful number, since it uses less digits than its factorization.

12102626564564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11916667 (or 11916665 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 50.

The spelling of 12102626564564 in words is "twelve trillion, one hundred two billion, six hundred twenty-six million, five hundred sixty-four thousand, five hundred sixty-four".