12220322313 has 32 divisors (see below), whose sum is σ = 17622904320. Its totient is φ = 7504067840.

The previous prime is 12220322311. The next prime is 12220322339. The reversal of 12220322313 is 31322302221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12220322313 - 2¹ = 12220322311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12220322313.

It is not an unprimeable number, because it can be changed into a prime (12220322311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 674098 + ... + 691988.

It is an arithmetic number, because the mean of its divisors is an integer number (550715760).

Almost surely, 2^12220322313 is an apocalyptic number.

It is an amenable number.

12220322313 is a deficient number, since it is larger than the sum of its proper divisors (5402582007).

12220322313 is a wasteful number, since it uses less digits than its factorization.

12220322313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18197.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12220322313 its reverse (31322302221), we get a palindrome (43542624534).

The spelling of 12220322313 in words is "twelve billion, two hundred twenty million, three hundred twenty-two thousand, three hundred thirteen".