121430305224 has 128 divisors (see below), whose sum is σ = 370497024000. Its totient is φ = 36679148352.

The previous prime is 121430305177. The next prime is 121430305229. The reversal of 121430305224 is 422503034121.

121430305224 is a `hidden beast` number, since 1 + 2 + 1 + 430 + 3 + 0 + 5 + 224 = 666.

121430305224 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (121430305229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 548832 + ... + 737615.

It is an arithmetic number, because the mean of its divisors is an integer number (2894508000).

Almost surely, 2^121430305224 is an apocalyptic number.

It is an amenable number.

121430305224 is an abundant number, since it is smaller than the sum of its proper divisors (249066718776).

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

121430305224 is a wasteful number, since it uses less digits than its factorization.

121430305224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286504 (or 1286494 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 121430305224 its reverse (422503034121), we get a palindrome (543933339345).

The spelling of 121430305224 in words is "one hundred twenty-one billion, four hundred thirty million, three hundred five thousand, two hundred twenty-four".