12615338147 has 2 divisors, whose sum is σ = 12615338148. Its totient is φ = 12615338146.

The previous prime is 12615338107. The next prime is 12615338159. The reversal of 12615338147 is 74183351621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12615338147 - 2²⁶ = 12548229283 is a prime.

It is not a weakly prime, because it can be changed into another prime (12615338107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6307669073 + 6307669074.

It is an arithmetic number, because the mean of its divisors is an integer number (6307669074).

Almost surely, 2^12615338147 is an apocalyptic number.

12615338147 is a deficient number, since it is larger than the sum of its proper divisors (1).

12615338147 is an equidigital number, since it uses as much as digits as its factorization.

12615338147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 41.

Adding to 12615338147 its reverse (74183351621), we get a palindrome (86798689768).

The spelling of 12615338147 in words is "twelve billion, six hundred fifteen million, three hundred thirty-eight thousand, one hundred forty-seven".