121220332304 has 20 divisors (see below), whose sum is σ = 238172345280. Its totient is φ = 59756501280.

The previous prime is 121220332279. The next prime is 121220332319. The reversal of 121220332304 is 403233022121.

It is a self number, because there is not a number n which added to its sum of digits gives 121220332304.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53352884 + ... + 53355155.

It is an arithmetic number, because the mean of its divisors is an integer number (11908617264).

Almost surely, 2^121220332304 is an apocalyptic number.

It is an amenable number.

121220332304 is a deficient number, since it is larger than the sum of its proper divisors (116952012976).

121220332304 is a wasteful number, since it uses less digits than its factorization.

121220332304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106708118 (or 106708112 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 121220332304 its reverse (403233022121), we get a palindrome (524453354425).

The spelling of 121220332304 in words is "one hundred twenty-one billion, two hundred twenty million, three hundred thirty-two thousand, three hundred four".