121201220200194 has 48 divisors (see below), whose sum is σ = 264614677891200. Its totient is φ = 40091668084800.

The previous prime is 121201220200117. The next prime is 121201220200201. The reversal of 121201220200194 is 491002022102121.

121201220200194 is a `hidden beast` number, since 1 + 21 + 201 + 220 + 200 + 19 + 4 = 666.

121201220200194 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×121201220200194² (a number of 29 digits) contains 22 as substring.

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, 31737294 + ... + 35350505.

It is an arithmetic number, because the mean of its divisors is an integer number (5512805789400).

Almost surely, 2^{121201220200194} is an apocalyptic number.

121201220200194 is an abundant number, since it is smaller than the sum of its proper divisors (143413457691006).

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

121201220200194 is a wasteful number, since it uses less digits than its factorization.

121201220200194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67088575 (or 67088572 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The spelling of 121201220200194 in words is "one hundred twenty-one trillion, two hundred one billion, two hundred twenty million, two hundred thousand, one hundred ninety-four".