312132301213 has 4 divisors (see below), whose sum is σ = 313001750880. Its totient is φ = 311262851548.

The previous prime is 312132301189. The next prime is 312132301279. The reversal of 312132301213 is 312103231213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 312132301213 - 2¹³ = 312132293021 is a prime.

It is a super-2 number, since 2×312132301213² (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 (312112301213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 434724295 + ... + 434725012.

It is an arithmetic number, because the mean of its divisors is an integer number (78250437720).

Almost surely, 2^312132301213 is an apocalyptic number.

It is an amenable number.

312132301213 is a deficient number, since it is larger than the sum of its proper divisors (869449667).

312132301213 is an equidigital number, since it uses as much as digits as its factorization.

312132301213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869449666.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 312132301213 its reverse (312103231213), we get a palindrome (624235532426).

The spelling of 312132301213 in words is "three hundred twelve billion, one hundred thirty-two million, three hundred one thousand, two hundred thirteen".