12615130271 has 2 divisors, whose sum is σ = 12615130272. Its totient is φ = 12615130270.

The previous prime is 12615130189. The next prime is 12615130337. The reversal of 12615130271 is 17203151621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12615130271 - 2²⁶ = 12548021407 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12615130571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6307565135 + 6307565136.

It is an arithmetic number, because the mean of its divisors is an integer number (6307565136).

Almost surely, 2^12615130271 is an apocalyptic number.

12615130271 is a deficient number, since it is larger than the sum of its proper divisors (1).

12615130271 is an equidigital number, since it uses as much as digits as its factorization.

12615130271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 29.

Adding to 12615130271 its reverse (17203151621), we get a palindrome (29818281892).

The spelling of 12615130271 in words is "twelve billion, six hundred fifteen million, one hundred thirty thousand, two hundred seventy-one".