121223310232 has 16 divisors (see below), whose sum is σ = 227300471640. Its totient is φ = 60609851136.

The previous prime is 121223310227. The next prime is 121223310239. The reversal of 121223310232 is 232013322121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121223310239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85288 + ... + 499720.

Almost surely, 2^121223310232 is an apocalyptic number.

It is an amenable number.

121223310232 is a deficient number, since it is larger than the sum of its proper divisors (106077161408).

121223310232 is a wasteful number, since it uses less digits than its factorization.

121223310232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451002 (or 450998 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 121223310232 its reverse (232013322121), we get a palindrome (353236632353).

The spelling of 121223310232 in words is "one hundred twenty-one billion, two hundred twenty-three million, three hundred ten thousand, two hundred thirty-two".