12320020012313 has 4 divisors (see below), whose sum is σ = 13267713859428. Its totient is φ = 11372326165200.

The previous prime is 12320020012291. The next prime is 12320020012351. The reversal of 12320020012313 is 31321002002321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2602036764889 + 9717983247424 = 1613083^2 + 3117368^2 .

It is not a de Polignac number, because 12320020012313 - 2¹⁰ = 12320020011289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12320020012913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 473846923538 + ... + 473846923563.

It is an arithmetic number, because the mean of its divisors is an integer number (3316928464857).

Almost surely, 2^{12320020012313} is an apocalyptic number.

12320020012313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12320020012313 is a deficient number, since it is larger than the sum of its proper divisors (947693847115).

12320020012313 is an equidigital number, since it uses as much as digits as its factorization.

12320020012313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947693847114.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12320020012313 its reverse (31321002002321), we get a palindrome (43641022014634).

The spelling of 12320020012313 in words is "twelve trillion, three hundred twenty billion, twenty million, twelve thousand, three hundred thirteen".