121232522136960 has 1280 divisors, whose sum is σ = 494656933478400. Its totient is φ = 28048243507200.

The previous prime is 121232522136937. The next prime is 121232522136961. The reversal of 121232522136960 is 69631225232121.

It is a happy number.

121232522136960 is a `hidden beast` number, since 1 + 2 + 1 + 2 + 3 + 2 + 5 + 221 + 369 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121232522136961) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1626131685 + ... + 1626206235.

It is an arithmetic number, because the mean of its divisors is an integer number (386450729280).

Almost surely, 2^{121232522136960} is an apocalyptic number.

121232522136960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121232522136960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247328466739200).

121232522136960 is an abundant number, since it is smaller than the sum of its proper divisors (373424411341440).

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

121232522136960 is a wasteful number, since it uses less digits than its factorization.

121232522136960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74741 (or 74720 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 121232522136960 in words is "one hundred twenty-one trillion, two hundred thirty-two billion, five hundred twenty-two million, one hundred thirty-six thousand, nine hundred sixty".