121613590986012 has 90 divisors (see below), whose sum is σ = 337723316618072. Its totient is φ = 38153283417216.

The previous prime is 121613590985981. The next prime is 121613590986037. The reversal of 121613590986012 is 210689095316121.

121613590986012 is a `hidden beast` number, since 1 + 2 + 1 + 613 + 5 + 9 + 0 + 9 + 8 + 6 + 0 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 121613590986012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 649301848 + ... + 649489119.

Almost surely, 2^{121613590986012} is an apocalyptic number.

121613590986012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121613590986012 is an abundant number, since it is smaller than the sum of its proper divisors (216109725632060).

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

121613590986012 is a wasteful number, since it uses less digits than its factorization.

121613590986012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298791017 (or 1298790989 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 54.

The spelling of 121613590986012 in words is "one hundred twenty-one trillion, six hundred thirteen billion, five hundred ninety million, nine hundred eighty-six thousand, twelve".