12013320013 has 4 divisors (see below), whose sum is σ = 12031717788. Its totient is φ = 11994922240.

The previous prime is 12013320001. The next prime is 12013320029. The reversal of 12013320013 is 31002331021.

12013320013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 8805570244 + 3207749769 = 93838^2 + 56637^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12013320013 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 (12013320073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9197908 + ... + 9199213.

It is an arithmetic number, because the mean of its divisors is an integer number (3007929447).

Almost surely, 2^12013320013 is an apocalyptic number.

It is an amenable number.

12013320013 is a deficient number, since it is larger than the sum of its proper divisors (18397775).

12013320013 is an equidigital number, since it uses as much as digits as its factorization.

12013320013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18397774.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 12013320013 its reverse (31002331021), we get a palindrome (43015651034).

The spelling of 12013320013 in words is "twelve billion, thirteen million, three hundred twenty thousand, thirteen".