121765427252 has 48 divisors (see below), whose sum is σ = 248039568000. Its totient is φ = 51227472384.

The previous prime is 121765427233. The next prime is 121765427297. The reversal of 121765427252 is 252724567121.

It is a congruent number.

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, 170624 + ... + 522152.

It is an arithmetic number, because the mean of its divisors is an integer number (5167491000).

Almost surely, 2^121765427252 is an apocalyptic number.

It is an amenable number.

121765427252 is an abundant number, since it is smaller than the sum of its proper divisors (126274140748).

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

121765427252 is a wasteful number, since it uses less digits than its factorization.

121765427252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351768 (or 351766 counting only the distinct ones).

The product of its digits is 470400, while the sum is 44.

The spelling of 121765427252 in words is "one hundred twenty-one billion, seven hundred sixty-five million, four hundred twenty-seven thousand, two hundred fifty-two".