312332211213421 has 8 divisors (see below), whose sum is σ = 357128069839040. Its totient is φ = 267580595415168.

The previous prime is 312332211213389. The next prime is 312332211213481. The reversal of 312332211213421 is 124312112233213.

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

It is not a de Polignac number, because 312332211213421 - 2⁵ = 312332211213389 is a prime.

It is a super-2 number, since 2×312332211213421² (a number of 30 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 (312332211213481) 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, 11060691711 + ... + 11060719948.

It is an arithmetic number, because the mean of its divisors is an integer number (44641008729880).

Almost surely, 2^{312332211213421} is an apocalyptic number.

It is an amenable number.

312332211213421 is a deficient number, since it is larger than the sum of its proper divisors (44795858625619).

312332211213421 is a wasteful number, since it uses less digits than its factorization.

312332211213421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22121413683.

The product of its digits is 10368, while the sum is 31.

Adding to 312332211213421 its reverse (124312112233213), we get a palindrome (436644323446634).

The spelling of 312332211213421 in words is "three hundred twelve trillion, three hundred thirty-two billion, two hundred eleven million, two hundred thirteen thousand, four hundred twenty-one".