121238914952424 has 64 divisors (see below), whose sum is σ = 306899181368640. Its totient is φ = 39909210831360.

The previous prime is 121238914952411. The next prime is 121238914952521. The reversal of 121238914952424 is 424259419832121.

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, 98084997 + ... + 99313364.

It is an arithmetic number, because the mean of its divisors is an integer number (4795299708885).

Almost surely, 2^{121238914952424} is an apocalyptic number.

It is an amenable number.

121238914952424 is an abundant number, since it is smaller than the sum of its proper divisors (185660266416216).

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

121238914952424 is a wasteful number, since it uses less digits than its factorization.

121238914952424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197398690 (or 197398686 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 57.

The spelling of 121238914952424 in words is "one hundred twenty-one trillion, two hundred thirty-eight billion, nine hundred fourteen million, nine hundred fifty-two thousand, four hundred twenty-four".