12371917087 has 2 divisors, whose sum is σ = 12371917088. Its totient is φ = 12371917086.

The previous prime is 12371917049. The next prime is 12371917121. The reversal of 12371917087 is 78071917321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12371917087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12371917487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6185958543 + 6185958544.

It is an arithmetic number, because the mean of its divisors is an integer number (6185958544).

Almost surely, 2^12371917087 is an apocalyptic number.

12371917087 is a deficient number, since it is larger than the sum of its proper divisors (1).

12371917087 is an equidigital number, since it uses as much as digits as its factorization.

12371917087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 148176, while the sum is 46.

The spelling of 12371917087 in words is "twelve billion, three hundred seventy-one million, nine hundred seventeen thousand, eighty-seven".