111132550204212 has 12 divisors (see below), whose sum is σ = 259309283809856. Its totient is φ = 37044183401400.

The previous prime is 111132550204201. The next prime is 111132550204213. The reversal of 111132550204212 is 212402055231111.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 111132550204212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111132550204213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4630522925164 + ... + 4630522925187.

Almost surely, 2^{111132550204212} is an apocalyptic number.

111132550204212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111132550204212 is an abundant number, since it is smaller than the sum of its proper divisors (148176733605644).

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

111132550204212 is a wasteful number, since it uses less digits than its factorization.

111132550204212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9261045850358 (or 9261045850356 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The spelling of 111132550204212 in words is "one hundred eleven trillion, one hundred thirty-two billion, five hundred fifty million, two hundred four thousand, two hundred twelve".