121331312332 has 24 divisors (see below), whose sum is σ = 216379338336. Its totient is φ = 59509102848.

The previous prime is 121331312299. The next prime is 121331312371. The reversal of 121331312332 is 233213133121.

It is a junction number, because it is equal to n+sod(n) for n = 121331312297 and 121331312306.

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, 1054713 + ... + 1164079.

It is an arithmetic number, because the mean of its divisors is an integer number (9015805764).

Almost surely, 2^121331312332 is an apocalyptic number.

It is an amenable number.

121331312332 is a deficient number, since it is larger than the sum of its proper divisors (95048026004).

121331312332 is a wasteful number, since it uses less digits than its factorization.

121331312332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114657 (or 114655 counting only the distinct ones).

The product of its digits is 1944, while the sum is 25.

Adding to 121331312332 its reverse (233213133121), we get a palindrome (354544445453).

The spelling of 121331312332 in words is "one hundred twenty-one billion, three hundred thirty-one million, three hundred twelve thousand, three hundred thirty-two".