1322203321312 has 24 divisors (see below), whose sum is σ = 2603177136000. Its totient is φ = 661078969344.

The previous prime is 1322203321301. The next prime is 1322203321331. The reversal of 1322203321312 is 2131233022231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258064 + ... + 1646512.

It is an arithmetic number, because the mean of its divisors is an integer number (108465714000).

Almost surely, 2^{1322203321312} is an apocalyptic number.

It is an amenable number.

1322203321312 is a deficient number, since it is larger than the sum of its proper divisors (1280973814688).

1322203321312 is a wasteful number, since it uses less digits than its factorization.

1322203321312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1418218 (or 1418210 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1322203321312 its reverse (2131233022231), we get a palindrome (3453436343543).

The spelling of 1322203321312 in words is "one trillion, three hundred twenty-two billion, two hundred three million, three hundred twenty-one thousand, three hundred twelve".