12530612113 has 2 divisors, whose sum is σ = 12530612114. Its totient is φ = 12530612112.

The previous prime is 12530612111. The next prime is 12530612147. The reversal of 12530612113 is 31121603521.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11807647569 + 722964544 = 108663^2 + 26888^2 .

It is a cyclic number.

It is not a de Polignac number, because 12530612113 - 2¹ = 12530612111 is a prime.

Together with 12530612111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12530612111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6265306056 + 6265306057.

It is an arithmetic number, because the mean of its divisors is an integer number (6265306057).

Almost surely, 2^12530612113 is an apocalyptic number.

It is an amenable number.

12530612113 is a deficient number, since it is larger than the sum of its proper divisors (1).

12530612113 is an equidigital number, since it uses as much as digits as its factorization.

12530612113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 25.

The spelling of 12530612113 in words is "twelve billion, five hundred thirty million, six hundred twelve thousand, one hundred thirteen".