322021213332312 has 128 divisors (see below), whose sum is σ = 868832812532160. Its totient is φ = 98871905525760.

The previous prime is 322021213332283. The next prime is 322021213332337. The reversal of 322021213332312 is 213233312120223.

It is a self number, because there is not a number n which added to its sum of digits gives 322021213332312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 337113612 + ... + 338067492.

Almost surely, 2^{322021213332312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 322021213332312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (434416406266080).

322021213332312 is an abundant number, since it is smaller than the sum of its proper divisors (546811599199848).

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

322021213332312 is a wasteful number, since it uses less digits than its factorization.

322021213332312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956213 (or 956209 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 322021213332312 its reverse (213233312120223), we get a palindrome (535254525452535).

The spelling of 322021213332312 in words is "three hundred twenty-two trillion, twenty-one billion, two hundred thirteen million, three hundred thirty-two thousand, three hundred twelve".