12529328431 has 2 divisors, whose sum is σ = 12529328432. Its totient is φ = 12529328430.

The previous prime is 12529328417. The next prime is 12529328437. The reversal of 12529328431 is 13482392521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12529328431 - 2⁷ = 12529328303 is a prime.

It is a super-2 number, since 2×12529328431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12529328437) 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, 6264664215 + 6264664216.

It is an arithmetic number, because the mean of its divisors is an integer number (6264664216).

Almost surely, 2^12529328431 is an apocalyptic number.

12529328431 is a deficient number, since it is larger than the sum of its proper divisors (1).

12529328431 is an equidigital number, since it uses as much as digits as its factorization.

12529328431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 40.

The spelling of 12529328431 in words is "twelve billion, five hundred twenty-nine million, three hundred twenty-eight thousand, four hundred thirty-one".