321132113012 has 24 divisors (see below), whose sum is σ = 563813490240. Its totient is φ = 160043158400.

The previous prime is 321132112999. The next prime is 321132113017. The reversal of 321132113012 is 210311231123.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321132113017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2039783 + ... + 2191569.

It is an arithmetic number, because the mean of its divisors is an integer number (23492228760).

Almost surely, 2^321132113012 is an apocalyptic number.

It is an amenable number.

321132113012 is a deficient number, since it is larger than the sum of its proper divisors (242681377228).

321132113012 is a wasteful number, since it uses less digits than its factorization.

321132113012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153511 (or 153509 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 321132113012 its reverse (210311231123), we get a palindrome (531443344135).

The spelling of 321132113012 in words is "three hundred twenty-one billion, one hundred thirty-two million, one hundred thirteen thousand, twelve".