321232321222312 has 16 divisors (see below), whose sum is σ = 606707030047860. Its totient is φ = 159443779876224.

The previous prime is 321232321222289. The next prime is 321232321222349. The reversal of 321232321222312 is 213222123232123.

It can be written as a sum of positive squares in 2 ways, for example, as 297673393329796 + 23558927892516 = 17253214^2 + 4853754^2 .

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, 146547590703 + ... + 146547592894.

Almost surely, 2^{321232321222312} is an apocalyptic number.

It is an amenable number.

321232321222312 is a deficient number, since it is larger than the sum of its proper divisors (285474708825548).

321232321222312 is a wasteful number, since it uses less digits than its factorization.

321232321222312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293095183740 (or 293095183736 counting only the distinct ones).

The product of its digits is 20736, while the sum is 31.

Adding to 321232321222312 its reverse (213222123232123), we get a palindrome (534454444454435).

The spelling of 321232321222312 in words is "three hundred twenty-one trillion, two hundred thirty-two billion, three hundred twenty-one million, two hundred twenty-two thousand, three hundred twelve".