188972628012 has 36 divisors (see below), whose sum is σ = 545920926096. Its totient is φ = 53992179360.

The previous prime is 188972628007. The next prime is 188972628059. The reversal of 188972628012 is 210826279881.

188972628012 is a `hidden beast` number, since 1 + 8 + 8 + 9 + 7 + 2 + 628 + 0 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 188972628012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 374945439 + ... + 374945942.

Almost surely, 2^188972628012 is an apocalyptic number.

188972628012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

188972628012 is an abundant number, since it is smaller than the sum of its proper divisors (356948298084).

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

188972628012 is a wasteful number, since it uses less digits than its factorization.

188972628012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749891398 (or 749891393 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 54.

The spelling of 188972628012 in words is "one hundred eighty-eight billion, nine hundred seventy-two million, six hundred twenty-eight thousand, twelve".