12625134431 has 64 divisors (see below), whose sum is σ = 16447635456. Its totient is φ = 9424512000.

The previous prime is 12625134419. The next prime is 12625134443. The reversal of 12625134431 is 13443152621.

It is an interprime number because it is at equal distance from previous prime (12625134419) and next prime (12625134443).

It is not a de Polignac number, because 12625134431 - 2⁶ = 12625134367 is a prime.

It is a super-2 number, since 2×12625134431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12625134331) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20798930 + ... + 20799536.

It is an arithmetic number, because the mean of its divisors is an integer number (256994304).

Almost surely, 2^12625134431 is an apocalyptic number.

12625134431 is a deficient number, since it is larger than the sum of its proper divisors (3822501025).

12625134431 is a wasteful number, since it uses less digits than its factorization.

12625134431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832.

The product of its digits is 17280, while the sum is 32.

The spelling of 12625134431 in words is "twelve billion, six hundred twenty-five million, one hundred thirty-four thousand, four hundred thirty-one".