121560765252 has 48 divisors (see below), whose sum is σ = 284444160000. Its totient is φ = 40405767840.

The previous prime is 121560765229. The next prime is 121560765257. The reversal of 121560765252 is 252567065121.

It is not an unprimeable number, because it can be changed into a prime (121560765257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7890477 + ... + 7905867.

It is an arithmetic number, because the mean of its divisors is an integer number (5925920000).

Almost surely, 2^121560765252 is an apocalyptic number.

121560765252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121560765252 is an abundant number, since it is smaller than the sum of its proper divisors (162883394748).

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

121560765252 is a wasteful number, since it uses less digits than its factorization.

121560765252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17216 (or 17214 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 42.

The spelling of 121560765252 in words is "one hundred twenty-one billion, five hundred sixty million, seven hundred sixty-five thousand, two hundred fifty-two".