12504660671 has 2 divisors, whose sum is σ = 12504660672. Its totient is φ = 12504660670.

The previous prime is 12504660647. The next prime is 12504660673. The reversal of 12504660671 is 17606640521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12504660671 - 2¹⁰ = 12504659647 is a prime.

Together with 12504660673, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12504660673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6252330335 + 6252330336.

It is an arithmetic number, because the mean of its divisors is an integer number (6252330336).

Almost surely, 2^12504660671 is an apocalyptic number.

12504660671 is a deficient number, since it is larger than the sum of its proper divisors (1).

12504660671 is an equidigital number, since it uses as much as digits as its factorization.

12504660671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 12504660671 in words is "twelve billion, five hundred four million, six hundred sixty thousand, six hundred seventy-one".