12351208671 has 16 divisors (see below), whose sum is σ = 18301643520. Its totient is φ = 8232538680.

The previous prime is 12351208651. The next prime is 12351208711. The reversal of 12351208671 is 17680215321.

It is a de Polignac number, because none of the positive numbers 2^k-12351208671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12351208651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106326 + ... + 189756.

It is an arithmetic number, because the mean of its divisors is an integer number (1143852720).

Almost surely, 2^12351208671 is an apocalyptic number.

12351208671 is a deficient number, since it is larger than the sum of its proper divisors (5950434849).

12351208671 is an equidigital number, since it uses as much as digits as its factorization.

12351208671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88923 (or 88917 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The spelling of 12351208671 in words is "twelve billion, three hundred fifty-one million, two hundred eight thousand, six hundred seventy-one".