321312012022 has 8 divisors (see below), whose sum is σ = 493723335672. Its totient is φ = 156737566800.

The previous prime is 321312012011. The next prime is 321312012053. The reversal of 321312012022 is 220210213123.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1959219504 + ... + 1959219667.

It is an arithmetic number, because the mean of its divisors is an integer number (61715416959).

Almost surely, 2^321312012022 is an apocalyptic number.

321312012022 is a deficient number, since it is larger than the sum of its proper divisors (172411323650).

321312012022 is a wasteful number, since it uses less digits than its factorization.

321312012022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3918439214.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 321312012022 its reverse (220210213123), we get a palindrome (541522225145).

The spelling of 321312012022 in words is "three hundred twenty-one billion, three hundred twelve million, twelve thousand, twenty-two".