322021231312 has 40 divisors (see below), whose sum is σ = 689959589760. Its totient is φ = 144368167680.

The previous prime is 322021231267. The next prime is 322021231331. The reversal of 322021231312 is 213132120223.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12519112 + ... + 12544807.

It is an arithmetic number, because the mean of its divisors is an integer number (17248989744).

Almost surely, 2^322021231312 is an apocalyptic number.

It is an amenable number.

322021231312 is an abundant number, since it is smaller than the sum of its proper divisors (367938358448).

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

322021231312 is a wasteful number, since it uses less digits than its factorization.

322021231312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25064011 (or 25064005 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 322021231312 its reverse (213132120223), we get a palindrome (535153351535).

The spelling of 322021231312 in words is "three hundred twenty-two billion, twenty-one million, two hundred thirty-one thousand, three hundred twelve".