12133025431 has 2 divisors, whose sum is σ = 12133025432. Its totient is φ = 12133025430.

The previous prime is 12133025417. The next prime is 12133025507. The reversal of 12133025431 is 13452033121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12133025431 - 2⁹ = 12133024919 is a prime.

It is a super-2 number, since 2×12133025431² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12133025396 and 12133025405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12133029431) 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 as a sum of consecutive naturals, namely, 6066512715 + 6066512716.

It is an arithmetic number, because the mean of its divisors is an integer number (6066512716).

Almost surely, 2^12133025431 is an apocalyptic number.

12133025431 is a deficient number, since it is larger than the sum of its proper divisors (1).

12133025431 is an equidigital number, since it uses as much as digits as its factorization.

12133025431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 12133025431 its reverse (13452033121), we get a palindrome (25585058552).

The spelling of 12133025431 in words is "twelve billion, one hundred thirty-three million, twenty-five thousand, four hundred thirty-one".