12508038971 has 2 divisors, whose sum is σ = 12508038972. Its totient is φ = 12508038970.

The previous prime is 12508038967. The next prime is 12508038997. The reversal of 12508038971 is 17983080521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12508038971 - 2² = 12508038967 is a prime.

It is not a weakly prime, because it can be changed into another prime (12508038671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6254019485 + 6254019486.

It is an arithmetic number, because the mean of its divisors is an integer number (6254019486).

Almost surely, 2^12508038971 is an apocalyptic number.

12508038971 is a deficient number, since it is larger than the sum of its proper divisors (1).

12508038971 is an equidigital number, since it uses as much as digits as its factorization.

12508038971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 44.

The spelling of 12508038971 in words is "twelve billion, five hundred eight million, thirty-eight thousand, nine hundred seventy-one".