312132231213 has 16 divisors (see below), whose sum is σ = 466281074496. Its totient is φ = 184058317440.

The previous prime is 312132231199. The next prime is 312132231227.

312132231213 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (312132231199) and next prime (312132231227).

It is not a de Polignac number, because 312132231213 - 2⁸ = 312132230957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312132231263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127817056 + ... + 127819497.

It is an arithmetic number, because the mean of its divisors is an integer number (29142567156).

Almost surely, 2^312132231213 is an apocalyptic number.

312132231213 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

312132231213 is a deficient number, since it is larger than the sum of its proper divisors (154148843283).

312132231213 is a wasteful number, since it uses less digits than its factorization.

312132231213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255636604.

The product of its digits is 1296, while the sum is 24.

It can be divided in two parts, 312132 and 231213, that added together give a palindrome (543345).

The spelling of 312132231213 in words is "three hundred twelve billion, one hundred thirty-two million, two hundred thirty-one thousand, two hundred thirteen".