12662154252 has 60 divisors (see below), whose sum is σ = 36110598216. Its totient is φ = 3837015360.

The previous prime is 12662154227. The next prime is 12662154293. The reversal of 12662154252 is 25245126621.

12662154252 is a `hidden beast` number, since 1 + 2 + 6 + 62 + 1 + 542 + 52 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1772833 + ... + 1779960.

Almost surely, 2^12662154252 is an apocalyptic number.

12662154252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12662154252 is an abundant number, since it is smaller than the sum of its proper divisors (23448443964).

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

12662154252 is a wasteful number, since it uses less digits than its factorization.

12662154252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3552820 (or 3552809 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The spelling of 12662154252 in words is "twelve billion, six hundred sixty-two million, one hundred fifty-four thousand, two hundred fifty-two".