12221031313319 has 4 divisors (see below), whose sum is σ = 12221040225744. Its totient is φ = 12221022400896.

The previous prime is 12221031313313. The next prime is 12221031313411. The reversal of 12221031313319 is 91331313012221.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12221031313319 is a prime.

It is a super-2 number, since 2×12221031313319² (a number of 27 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 (12221031313313) 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, 1917107 + ... + 5302580.

It is an arithmetic number, because the mean of its divisors is an integer number (3055260056436).

Almost surely, 2^{12221031313319} is an apocalyptic number.

12221031313319 is a deficient number, since it is larger than the sum of its proper divisors (8912425).

12221031313319 is an equidigital number, since it uses as much as digits as its factorization.

12221031313319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8912424.

The product of its (nonzero) digits is 5832, while the sum is 32.

The spelling of 12221031313319 in words is "twelve trillion, two hundred twenty-one billion, thirty-one million, three hundred thirteen thousand, three hundred nineteen".