12555244662 has 32 divisors (see below), whose sum is σ = 25705375872. Its totient is φ = 4086016704.

The previous prime is 12555244657. The next prime is 12555244693. The reversal of 12555244662 is 26644255521.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 689418 + ... + 707394.

It is an arithmetic number, because the mean of its divisors is an integer number (803292996).

Almost surely, 2^12555244662 is an apocalyptic number.

12555244662 is an abundant number, since it is smaller than the sum of its proper divisors (13150131210).

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

12555244662 is a wasteful number, since it uses less digits than its factorization.

12555244662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20732.

The product of its digits is 576000, while the sum is 42.

The spelling of 12555244662 in words is "twelve billion, five hundred fifty-five million, two hundred forty-four thousand, six hundred sixty-two".