12425277671 has 4 divisors (see below), whose sum is σ = 12427783200. Its totient is φ = 12422772144.

The previous prime is 12425277647. The next prime is 12425277701. The reversal of 12425277671 is 17677252421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12425277671 - 2⁶ = 12425277607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12425277871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1245311 + ... + 1255248.

It is an arithmetic number, because the mean of its divisors is an integer number (3106945800).

Almost surely, 2^12425277671 is an apocalyptic number.

12425277671 is a deficient number, since it is larger than the sum of its proper divisors (2505529).

12425277671 is an equidigital number, since it uses as much as digits as its factorization.

12425277671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505528.

The product of its digits is 329280, while the sum is 44.

The spelling of 12425277671 in words is "twelve billion, four hundred twenty-five million, two hundred seventy-seven thousand, six hundred seventy-one".