12525131279 has 2 divisors, whose sum is σ = 12525131280. Its totient is φ = 12525131278.

The previous prime is 12525131263. The next prime is 12525131323. The reversal of 12525131279 is 97213152521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12525131279 - 2⁴ = 12525131263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12525131209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6262565639 + 6262565640.

It is an arithmetic number, because the mean of its divisors is an integer number (6262565640).

Almost surely, 2^12525131279 is an apocalyptic number.

12525131279 is a deficient number, since it is larger than the sum of its proper divisors (1).

12525131279 is an equidigital number, since it uses as much as digits as its factorization.

12525131279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37800, while the sum is 38.

The spelling of 12525131279 in words is "twelve billion, five hundred twenty-five million, one hundred thirty-one thousand, two hundred seventy-nine".