121053529858512 has 40 divisors (see below), whose sum is σ = 312722575143840. Its totient is φ = 40351053220480.

The previous prime is 121053529858489. The next prime is 121053529858523. The reversal of 121053529858512 is 215858925350121.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12739462 + ... + 20109722.

It is an arithmetic number, because the mean of its divisors is an integer number (7818064378596).

Almost surely, 2^{121053529858512} is an apocalyptic number.

121053529858512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121053529858512 is an abundant number, since it is smaller than the sum of its proper divisors (191669045285328).

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

121053529858512 is a wasteful number, since it uses less digits than its factorization.

121053529858512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7712451 (or 7712445 counting only the distinct ones).

The product of its (nonzero) digits is 8640000, while the sum is 57.

The spelling of 121053529858512 in words is "one hundred twenty-one trillion, fifty-three billion, five hundred twenty-nine million, eight hundred fifty-eight thousand, five hundred twelve".