121612050200556 has 48 divisors (see below), whose sum is σ = 318412188672480. Its totient is φ = 40135990161600.

The previous prime is 121612050200533. The next prime is 121612050200591. The reversal of 121612050200556 is 655002050216121.

121612050200556 is a `hidden beast` number, since 1 + 2 + 1 + 61 + 20 + 5 + 0 + 20 + 0 + 556 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 121612050200556.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5574432171 + ... + 5574453986.

It is an arithmetic number, because the mean of its divisors is an integer number (6633587264010).

Almost surely, 2^{121612050200556} is an apocalyptic number.

It is an amenable number.

121612050200556 is an abundant number, since it is smaller than the sum of its proper divisors (196800138471924).

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

121612050200556 is a wasteful number, since it uses less digits than its factorization.

121612050200556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11148886271 (or 11148886263 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The spelling of 121612050200556 in words is "one hundred twenty-one trillion, six hundred twelve billion, fifty million, two hundred thousand, five hundred fifty-six".