321004223360112 has 80 divisors (see below), whose sum is σ = 830201371211520. Its totient is φ = 106880080129536.

The previous prime is 321004223360071. The next prime is 321004223360113. The reversal of 321004223360112 is 211063322400123.

It is a super-2 number, since 2×321004223360112² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 321004223360112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321004223360113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471385564 + ... + 472066052.

It is an arithmetic number, because the mean of its divisors is an integer number (10377517140144).

Almost surely, 2^{321004223360112} is an apocalyptic number.

It is an amenable number.

321004223360112 is an abundant number, since it is smaller than the sum of its proper divisors (509197147851408).

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

321004223360112 is a wasteful number, since it uses less digits than its factorization.

321004223360112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691630 (or 691624 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 321004223360112 its reverse (211063322400123), we get a palindrome (532067545760235).

The spelling of 321004223360112 in words is "three hundred twenty-one trillion, four billion, two hundred twenty-three million, three hundred sixty thousand, one hundred twelve".