12652878971 has 2 divisors, whose sum is σ = 12652878972. Its totient is φ = 12652878970.

The previous prime is 12652878967. The next prime is 12652879009. The reversal of 12652878971 is 17987825621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12652878971 - 2² = 12652878967 is a prime.

It is not a weakly prime, because it can be changed into another prime (12652878911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6326439485 + 6326439486.

It is an arithmetic number, because the mean of its divisors is an integer number (6326439486).

Almost surely, 2^12652878971 is an apocalyptic number.

12652878971 is a deficient number, since it is larger than the sum of its proper divisors (1).

12652878971 is an equidigital number, since it uses as much as digits as its factorization.

12652878971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3386880, while the sum is 56.

The spelling of 12652878971 in words is "twelve billion, six hundred fifty-two million, eight hundred seventy-eight thousand, nine hundred seventy-one".