12505264671 has 8 divisors (see below), whose sum is σ = 16676722944. Its totient is φ = 8335324760.

The previous prime is 12505264663. The next prime is 12505264721. The reversal of 12505264671 is 17646250521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12505264671 - 2³ = 12505264663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12505264621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360231 + ... + 393416.

It is an arithmetic number, because the mean of its divisors is an integer number (2084590368).

Almost surely, 2^12505264671 is an apocalyptic number.

12505264671 is a deficient number, since it is larger than the sum of its proper divisors (4171458273).

12505264671 is an equidigital number, since it uses as much as digits as its factorization.

12505264671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759181.

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 12505264671 in words is "twelve billion, five hundred five million, two hundred sixty-four thousand, six hundred seventy-one".