12130021313 has 12 divisors (see below), whose sum is σ = 13117613460. Its totient is φ = 11202524256.

The previous prime is 12130021307. The next prime is 12130021327. The reversal of 12130021313 is 31312003121.

It can be written as a sum of positive squares in 2 ways, for example, as 9260597824 + 2869423489 = 96232^2 + 53567^2 .

It is a de Polignac number, because none of the positive numbers 2^k-12130021313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12130021291 and 12130021300.

It is not an unprimeable number, because it can be changed into a prime (12130021303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 380006 + ... + 410687.

It is an arithmetic number, because the mean of its divisors is an integer number (1093134455).

Almost surely, 2^12130021313 is an apocalyptic number.

It is an amenable number.

12130021313 is a deficient number, since it is larger than the sum of its proper divisors (987592147).

12130021313 is an equidigital number, since it uses as much as digits as its factorization.

12130021313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790768 (or 790745 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 12130021313 its reverse (31312003121), we get a palindrome (43442024434).

The spelling of 12130021313 in words is "twelve billion, one hundred thirty million, twenty-one thousand, three hundred thirteen".