121331323323232 has 48 divisors (see below), whose sum is σ = 264256825883904. Its totient is φ = 54373832464000.

The previous prime is 121331323323211. The next prime is 121331323323239. The reversal of 121331323323232 is 232323323133121.

It is a happy number.

It is a super-2 number, since 2×121331323323232² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121331323323239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2427378244 + ... + 2427428227.

It is an arithmetic number, because the mean of its divisors is an integer number (5505350539248).

Almost surely, 2^{121331323323232} is an apocalyptic number.

It is an amenable number.

121331323323232 is an abundant number, since it is smaller than the sum of its proper divisors (142925502560672).

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

121331323323232 is a wasteful number, since it uses less digits than its factorization.

121331323323232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4854806563 (or 4854806555 counting only the distinct ones).

The product of its digits is 69984, while the sum is 34.

Adding to 121331323323232 its reverse (232323323133121), we get a palindrome (353654646456353).

The spelling of 121331323323232 in words is "one hundred twenty-one trillion, three hundred thirty-one billion, three hundred twenty-three million, three hundred twenty-three thousand, two hundred thirty-two".