12625331403 has 4 divisors (see below), whose sum is σ = 16833775208. Its totient is φ = 8416887600.

The previous prime is 12625331393. The next prime is 12625331443. The reversal of 12625331403 is 30413352621.

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

It is not a de Polignac number, because 12625331403 - 2⁴ = 12625331387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12625331443) 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, 2104221898 + ... + 2104221903.

It is an arithmetic number, because the mean of its divisors is an integer number (4208443802).

Almost surely, 2^12625331403 is an apocalyptic number.

12625331403 is a deficient number, since it is larger than the sum of its proper divisors (4208443805).

12625331403 is an equidigital number, since it uses as much as digits as its factorization.

12625331403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4208443804.

The product of its (nonzero) digits is 12960, while the sum is 30.

The spelling of 12625331403 in words is "twelve billion, six hundred twenty-five million, three hundred thirty-one thousand, four hundred three".