12500385671 has 2 divisors, whose sum is σ = 12500385672. Its totient is φ = 12500385670.

The previous prime is 12500385631. The next prime is 12500385697. The reversal of 12500385671 is 17658300521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12500385671 - 2¹⁸ = 12500123527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12500385631) 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, 6250192835 + 6250192836.

It is an arithmetic number, because the mean of its divisors is an integer number (6250192836).

Almost surely, 2^12500385671 is an apocalyptic number.

12500385671 is a deficient number, since it is larger than the sum of its proper divisors (1).

12500385671 is an equidigital number, since it uses as much as digits as its factorization.

12500385671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 38.

The spelling of 12500385671 in words is "twelve billion, five hundred million, three hundred eighty-five thousand, six hundred seventy-one".