12556354662 has 12 divisors (see below), whose sum is σ = 27205435140. Its totient is φ = 4185451548.

The previous prime is 12556354661. The next prime is 12556354697. The reversal of 12556354662 is 26645365521.

12556354662 is a `hidden beast` number, since 1 + 2 + 5 + 5 + 635 + 4 + 6 + 6 + 2 = 666.

12556354662 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12556354661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 348787612 + ... + 348787647.

It is an arithmetic number, because the mean of its divisors is an integer number (2267119595).

Almost surely, 2^12556354662 is an apocalyptic number.

12556354662 is an abundant number, since it is smaller than the sum of its proper divisors (14649080478).

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

12556354662 is a wasteful number, since it uses less digits than its factorization.

12556354662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697575267 (or 697575264 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 45.

The spelling of 12556354662 in words is "twelve billion, five hundred fifty-six million, three hundred fifty-four thousand, six hundred sixty-two".