12556646113162 has 16 divisors (see below), whose sum is σ = 18931894720200. Its totient is φ = 6246057081600.

The previous prime is 12556646113139. The next prime is 12556646113163. The reversal of 12556646113162 is 26131164665521.

It can be written as a sum of positive squares in 4 ways, for example, as 12330906148521 + 225739964641 = 3511539^2 + 475121^2 .

It is a super-2 number, since 2×12556646113162² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12556646113163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10044339 + ... + 11225062.

Almost surely, 2^{12556646113162} is an apocalyptic number.

12556646113162 is a deficient number, since it is larger than the sum of its proper divisors (6375248607038).

12556646113162 is a wasteful number, since it uses less digits than its factorization.

12556646113162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21270921.

The product of its digits is 1555200, while the sum is 49.

The spelling of 12556646113162 in words is "twelve trillion, five hundred fifty-six billion, six hundred forty-six million, one hundred thirteen thousand, one hundred sixty-two".