12320320123013 has 16 divisors (see below), whose sum is σ = 14338660481280. Its totient is φ = 10367217993600.

The previous prime is 12320320122973. The next prime is 12320320123019. The reversal of 12320320123013 is 31032102302321.

It is a cyclic number.

It is not a de Polignac number, because 12320320123013 - 2³² = 12316025155717 is a prime.

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 12320320123013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12320320123019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27467753 + ... + 27912686.

It is an arithmetic number, because the mean of its divisors is an integer number (896166280080).

Almost surely, 2^{12320320123013} is an apocalyptic number.

It is an amenable number.

12320320123013 is a deficient number, since it is larger than the sum of its proper divisors (2018340358267).

12320320123013 is an equidigital number, since it uses as much as digits as its factorization.

12320320123013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55381028.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 12320320123013 its reverse (31032102302321), we get a palindrome (43352422425334).

The spelling of 12320320123013 in words is "twelve trillion, three hundred twenty billion, three hundred twenty million, one hundred twenty-three thousand, thirteen".