121758048707994 has 24 divisors (see below), whose sum is σ = 267148461303360. Its totient is φ = 40072269194568.

The previous prime is 121758048707983. The next prime is 121758048708001. The reversal of 121758048707994 is 499707840857121.

121758048707994 is a `hidden beast` number, since 1 + 2 + 1 + 7 + 58 + 0 + 487 + 0 + 7 + 9 + 94 = 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, 42812251992 + ... + 42812254835.

It is an arithmetic number, because the mean of its divisors is an integer number (11131185887640).

Almost surely, 2^{121758048707994} is an apocalyptic number.

121758048707994 is an abundant number, since it is smaller than the sum of its proper divisors (145390412595366).

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

121758048707994 is a wasteful number, since it uses less digits than its factorization.

121758048707994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85624506914 (or 85624506911 counting only the distinct ones).

The product of its (nonzero) digits is 284497920, while the sum is 72.

The spelling of 121758048707994 in words is "one hundred twenty-one trillion, seven hundred fifty-eight billion, forty-eight million, seven hundred seven thousand, nine hundred ninety-four".