12210002121132 has 36 divisors (see below), whose sum is σ = 30924808955040. Its totient is φ = 4062004628832.

The previous prime is 12210002121127. The next prime is 12210002121157. The reversal of 12210002121132 is 23112120001221.

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

It is a super-2 number, since 2×12210002121132² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 333151348 + ... + 333187995.

Almost surely, 2^{12210002121132} is an apocalyptic number.

12210002121132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12210002121132 is an abundant number, since it is smaller than the sum of its proper divisors (18714806833908).

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

12210002121132 is a wasteful number, since it uses less digits than its factorization.

12210002121132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666339862 (or 666339857 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 12210002121132 its reverse (23112120001221), we get a palindrome (35322122122353).

The spelling of 12210002121132 in words is "twelve trillion, two hundred ten billion, two million, one hundred twenty-one thousand, one hundred thirty-two".