121431032212194 has 24 divisors (see below), whose sum is σ = 263728494797040. Its totient is φ = 40380406890648.

The previous prime is 121431032212181. The next prime is 121431032212219. The reversal of 121431032212194 is 491212230134121.

121431032212194 is a `hidden beast` number, since 1 + 2 + 1 + 4 + 310 + 322 + 1 + 2 + 19 + 4 = 666.

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, 8050312812 + ... + 8050327895.

It is an arithmetic number, because the mean of its divisors is an integer number (10988687283210).

Almost surely, 2^{121431032212194} is an apocalyptic number.

121431032212194 is an abundant number, since it is smaller than the sum of its proper divisors (142297462584846).

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

121431032212194 is a wasteful number, since it uses less digits than its factorization.

121431032212194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16100641134 (or 16100641131 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 121431032212194 in words is "one hundred twenty-one trillion, four hundred thirty-one billion, thirty-two million, two hundred twelve thousand, one hundred ninety-four".