12212201120994 has 60 divisors (see below), whose sum is σ = 31832029926774. Its totient is φ = 3489200318016.

The previous prime is 12212201120993. The next prime is 12212201121017. The reversal of 12212201120994 is 49902110221221.

12212201120994 is a `hidden beast` number, since 1 + 221 + 220 + 1 + 1 + 209 + 9 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12052110708225 + 160090412769 = 3471615^2 + 400113^2 .

It is a super-2 number, since 2×12212201120994² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12212201120993) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 769216119 + ... + 769231994.

Almost surely, 2^{12212201120994} is an apocalyptic number.

12212201120994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12212201120994 is an abundant number, since it is smaller than the sum of its proper divisors (19619828805780).

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

12212201120994 is a wasteful number, since it uses less digits than its factorization.

12212201120994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538448141 (or 1538448125 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The spelling of 12212201120994 in words is "twelve trillion, two hundred twelve billion, two hundred one million, one hundred twenty thousand, nine hundred ninety-four".