12132331221100 has 72 divisors (see below), whose sum is σ = 27067095247808. Its totient is φ = 4717608436800.

The previous prime is 12132331221079. The next prime is 12132331221121. The reversal of 12132331221100 is 112213323121.

It is an interprime number because it is at equal distance from previous prime (12132331221079) and next prime (12132331221121).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5778654 + ... + 7593253.

Almost surely, 2^{12132331221100} is an apocalyptic number.

12132331221100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12132331221100 is an abundant number, since it is smaller than the sum of its proper divisors (14934764026708).

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

12132331221100 is a wasteful number, since it uses less digits than its factorization.

12132331221100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13372175 (or 13372168 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12132331221100 its reverse (112213323121), we get a palindrome (12244544544221).

The spelling of 12132331221100 in words is "twelve trillion, one hundred thirty-two billion, three hundred thirty-one million, two hundred twenty-one thousand, one hundred".