12232406425 has 6 divisors (see below), whose sum is σ = 15168183998. Its totient is φ = 9785925120.

The previous prime is 12232406399. The next prime is 12232406429. The reversal of 12232406425 is 52460423221.

It can be written as a sum of positive squares in 3 ways, for example, as 712462864 + 11519943561 = 26692^2 + 107331^2 .

It is a de Polignac number, because none of the positive numbers 2^k-12232406425 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12232406429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 244648104 + ... + 244648153.

Almost surely, 2^12232406425 is an apocalyptic number.

It is an amenable number.

12232406425 is a deficient number, since it is larger than the sum of its proper divisors (2935777573).

12232406425 is an equidigital number, since it uses as much as digits as its factorization.

12232406425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489296267 (or 489296262 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 12232406425 its reverse (52460423221), we get a palindrome (64692829646).

The spelling of 12232406425 in words is "twelve billion, two hundred thirty-two million, four hundred six thousand, four hundred twenty-five".