121425524120 has 32 divisors (see below), whose sum is σ = 273217767120. Its totient is φ = 48568371840.

The previous prime is 121425524117. The next prime is 121425524123. The reversal of 121425524120 is 21425524121.

It is an interprime number because it is at equal distance from previous prime (121425524117) and next prime (121425524123).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121425524123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1612019 + ... + 1685661.

Almost surely, 2^121425524120 is an apocalyptic number.

121425524120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121425524120 is an abundant number, since it is smaller than the sum of its proper divisors (151792243000).

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

121425524120 is a wasteful number, since it uses less digits than its factorization.

121425524120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114875 (or 114871 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

Subtracting from 121425524120 its reverse (21425524121), we obtain a palindrome (99999999999).

The spelling of 121425524120 in words is "one hundred twenty-one billion, four hundred twenty-five million, five hundred twenty-four thousand, one hundred twenty".