121425199024 has 40 divisors (see below), whose sum is σ = 242883482240. Its totient is φ = 58746124800.

The previous prime is 121425199019. The next prime is 121425199087. The reversal of 121425199024 is 420991524121.

121425199024 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 5399644 + ... + 5422084.

It is an arithmetic number, because the mean of its divisors is an integer number (6072087056).

Almost surely, 2^121425199024 is an apocalyptic number.

It is an amenable number.

121425199024 is an abundant number, since it is smaller than the sum of its proper divisors (121458283216).

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

121425199024 is a wasteful number, since it uses less digits than its factorization.

121425199024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33389 (or 33383 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The spelling of 121425199024 in words is "one hundred twenty-one billion, four hundred twenty-five million, one hundred ninety-nine thousand, twenty-four".