312022321213 has 16 divisors (see below), whose sum is σ = 334656239040. Its totient is φ = 289881504000.

The previous prime is 312022321183. The next prime is 312022321241. The reversal of 312022321213 is 312123220213.

It is a cyclic number.

It is not a de Polignac number, because 312022321213 - 2⁵ = 312022321181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312022321313) 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, 293818 + ... + 842836.

It is an arithmetic number, because the mean of its divisors is an integer number (20916014940).

Almost surely, 2^312022321213 is an apocalyptic number.

It is an amenable number.

312022321213 is a deficient number, since it is larger than the sum of its proper divisors (22633917827).

312022321213 is a wasteful number, since it uses less digits than its factorization.

312022321213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549468.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 312022321213 its reverse (312123220213), we get a palindrome (624145541426).

The spelling of 312022321213 in words is "three hundred twelve billion, twenty-two million, three hundred twenty-one thousand, two hundred thirteen".