121323121232 has 40 divisors (see below), whose sum is σ = 242741011200. Its totient is φ = 58681808640.

The previous prime is 121323121163. The next prime is 121323121261. The reversal of 121323121232 is 232121323121.

It is a junction number, because it is equal to n+sod(n) for n = 121323121198 and 121323121207.

It is a congruent number.

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, 1259519 + ... + 1352417.

It is an arithmetic number, because the mean of its divisors is an integer number (6068525280).

Almost surely, 2^121323121232 is an apocalyptic number.

It is an amenable number.

121323121232 is an abundant number, since it is smaller than the sum of its proper divisors (121417889968).

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

121323121232 is a wasteful number, since it uses less digits than its factorization.

121323121232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95571 (or 95565 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

Adding to 121323121232 its reverse (232121323121), we get a palindrome (353444444353).

The spelling of 121323121232 in words is "one hundred twenty-one billion, three hundred twenty-three million, one hundred twenty-one thousand, two hundred thirty-two".