12220323133013 has 4 divisors (see below), whose sum is σ = 12220331390208. Its totient is φ = 12220314875820.

The previous prime is 12220323132991. The next prime is 12220323133033. The reversal of 12220323133013 is 31033132302221.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12220323133013 - 2²⁶ = 12220256024149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220323133033) 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, 1230581 + ... + 5094602.

It is an arithmetic number, because the mean of its divisors is an integer number (3055082847552).

Almost surely, 2^{12220323133013} is an apocalyptic number.

It is an amenable number.

12220323133013 is a deficient number, since it is larger than the sum of its proper divisors (8257195).

12220323133013 is an equidigital number, since it uses as much as digits as its factorization.

12220323133013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8257194.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 12220323133013 its reverse (31033132302221), we get a palindrome (43253455435234).

The spelling of 12220323133013 in words is "twelve trillion, two hundred twenty billion, three hundred twenty-three million, one hundred thirty-three thousand, thirteen".