121331304032 has 24 divisors (see below), whose sum is σ = 239307732216. Its totient is φ = 60554737152.

The previous prime is 121331304013. The next prime is 121331304041. The reversal of 121331304032 is 230403133121.

It is a junction number, because it is equal to n+sod(n) for n = 121331303989 and 121331304007.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3448313 + ... + 3483320.

It is an arithmetic number, because the mean of its divisors is an integer number (9971155509).

Almost surely, 2^121331304032 is an apocalyptic number.

It is an amenable number.

121331304032 is a deficient number, since it is larger than the sum of its proper divisors (117976428184).

121331304032 is an equidigital number, since it uses as much as digits as its factorization.

121331304032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6932190 (or 6932182 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 121331304032 its reverse (230403133121), we get a palindrome (351734437153).

The spelling of 121331304032 in words is "one hundred twenty-one billion, three hundred thirty-one million, three hundred four thousand, thirty-two".