312021211007 has 8 divisors (see below), whose sum is σ = 355186200960. Its totient is φ = 271322791960.

The previous prime is 312021210989. The next prime is 312021211043. The reversal of 312021211007 is 700112120213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-312021211007 is a prime.

It is a super-2 number, since 2×312021211007² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 312021211007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312021211087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 616642457 + ... + 616642962.

It is an arithmetic number, because the mean of its divisors is an integer number (44398275120).

Almost surely, 2^312021211007 is an apocalyptic number.

312021211007 is a deficient number, since it is larger than the sum of its proper divisors (43164989953).

312021211007 is a wasteful number, since it uses less digits than its factorization.

312021211007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233285453.

The product of its (nonzero) digits is 168, while the sum is 20.

The spelling of 312021211007 in words is "three hundred twelve billion, twenty-one million, two hundred eleven thousand, seven".