312213312001 has 4 divisors (see below), whose sum is σ = 328645591600. Its totient is φ = 295781032404.

The previous prime is 312213311981. The next prime is 312213312007. The reversal of 312213312001 is 100213312213.

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 312213312001 - 2²⁷ = 312079094273 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 16432279579 = 312213312001 / (3 + 1 + 2 + 2 + 1 + 3 + 3 + 1 + 2 + 0 + 0 + 1).

It is a self number, because there is not a number n which added to its sum of digits gives 312213312001.

It is not an unprimeable number, because it can be changed into a prime (312213312007) 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, 8216139771 + ... + 8216139808.

It is an arithmetic number, because the mean of its divisors is an integer number (82161397900).

Almost surely, 2^312213312001 is an apocalyptic number.

It is an amenable number.

312213312001 is a deficient number, since it is larger than the sum of its proper divisors (16432279599).

312213312001 is a wasteful number, since it uses less digits than its factorization.

312213312001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16432279598.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 312213312001 its reverse (100213312213), we get a palindrome (412426624214).

The spelling of 312213312001 in words is "three hundred twelve billion, two hundred thirteen million, three hundred twelve thousand, one".