12431033425 has 12 divisors (see below), whose sum is σ = 15946016220. Its totient is φ = 9601901120.

The previous prime is 12431033411. The next prime is 12431033441. The reversal of 12431033425 is 52433013421.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1596721681 + 10834311744 = 39959^2 + 104088^2 .

It is not a de Polignac number, because 12431033425 - 2²⁷ = 12296815697 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12431033393 and 12431033402.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8572402 + ... + 8573851.

It is an arithmetic number, because the mean of its divisors is an integer number (1328834685).

Almost surely, 2^12431033425 is an apocalyptic number.

It is an amenable number.

12431033425 is a deficient number, since it is larger than the sum of its proper divisors (3514982795).

12431033425 is a wasteful number, since it uses less digits than its factorization.

12431033425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17146292 (or 17146287 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 12431033425 its reverse (52433013421), we get a palindrome (64864046846).

The spelling of 12431033425 in words is "twelve billion, four hundred thirty-one million, thirty-three thousand, four hundred twenty-five".