322120121231 has 16 divisors (see below), whose sum is σ = 330601910400. Its totient is φ = 313770912000.

The previous prime is 322120121207. The next prime is 322120121237. The reversal of 322120121231 is 132121021223.

It is a cyclic number.

It is not a de Polignac number, because 322120121231 - 2¹⁰ = 322120120207 is a prime.

It is a super-2 number, since 2×322120121231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322120121237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2170265 + ... + 2313933.

It is an arithmetic number, because the mean of its divisors is an integer number (20662619400).

Almost surely, 2^322120121231 is an apocalyptic number.

322120121231 is a deficient number, since it is larger than the sum of its proper divisors (8481789169).

322120121231 is a wasteful number, since it uses less digits than its factorization.

322120121231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144130.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 322120121231 its reverse (132121021223), we get a palindrome (454241142454).

The spelling of 322120121231 in words is "three hundred twenty-two billion, one hundred twenty million, one hundred twenty-one thousand, two hundred thirty-one".