121331322344532 has 96 divisors (see below), whose sum is σ = 286150363914240. Its totient is φ = 40011337860480.

The previous prime is 121331322344501. The next prime is 121331322344539. The reversal of 121331322344532 is 235443223133121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121331322344539) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1188760782 + ... + 1188862842.

It is an arithmetic number, because the mean of its divisors is an integer number (2980732957440).

Almost surely, 2^{121331322344532} is an apocalyptic number.

121331322344532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121331322344532 is an abundant number, since it is smaller than the sum of its proper divisors (164819041569708).

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

121331322344532 is a wasteful number, since it uses less digits than its factorization.

121331322344532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105013 (or 105011 counting only the distinct ones).

The product of its digits is 311040, while the sum is 39.

Adding to 121331322344532 its reverse (235443223133121), we get a palindrome (356774545477653).

The spelling of 121331322344532 in words is "one hundred twenty-one trillion, three hundred thirty-one billion, three hundred twenty-two million, three hundred forty-four thousand, five hundred thirty-two".