12312300021013 has 4 divisors (see below), whose sum is σ = 12387835604128. Its totient is φ = 12236764437900.

The previous prime is 12312300020879. The next prime is 12312300021019. The reversal of 12312300021013 is 31012000321321.

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.

It is a cyclic number.

It is not a de Polignac number, because 12312300021013 - 2¹³ = 12312300012821 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 (12312300021019) 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, 37767791313 + ... + 37767791638.

It is an arithmetic number, because the mean of its divisors is an integer number (3096958901032).

Almost surely, 2^{12312300021013} is an apocalyptic number.

It is an amenable number.

12312300021013 is a deficient number, since it is larger than the sum of its proper divisors (75535583115).

12312300021013 is an equidigital number, since it uses as much as digits as its factorization.

12312300021013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75535583114.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12312300021013 its reverse (31012000321321), we get a palindrome (43324300342334).

The spelling of 12312300021013 in words is "twelve trillion, three hundred twelve billion, three hundred million, twenty-one thousand, thirteen".