12210555132 has 18 divisors (see below), whose sum is σ = 30865570008. Its totient is φ = 4070185032.

The previous prime is 12210555113. The next prime is 12210555151. The reversal of 12210555132 is 23155501221.

12210555132 is a `hidden beast` number, since 1 + 2 + 2 + 105 + 551 + 3 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (12210555113) and next prime (12210555151).

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×12210555132² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12210555096 and 12210555105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 169591008 + ... + 169591079.

Almost surely, 2^12210555132 is an apocalyptic number.

12210555132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12210555132 is an abundant number, since it is smaller than the sum of its proper divisors (18655014876).

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

12210555132 is a wasteful number, since it uses less digits than its factorization.

12210555132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339182097 (or 339182092 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The spelling of 12210555132 in words is "twelve billion, two hundred ten million, five hundred fifty-five thousand, one hundred thirty-two".