12499432567 has 2 divisors, whose sum is σ = 12499432568. Its totient is φ = 12499432566.

The previous prime is 12499432553. The next prime is 12499432573. The reversal of 12499432567 is 76523499421.

12499432567 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12499432567 - 2²³ = 12491043959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12499432577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6249716283 + 6249716284.

It is an arithmetic number, because the mean of its divisors is an integer number (6249716284).

Almost surely, 2^12499432567 is an apocalyptic number.

12499432567 is a deficient number, since it is larger than the sum of its proper divisors (1).

12499432567 is an equidigital number, since it uses as much as digits as its factorization.

12499432567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3265920, while the sum is 52.

The spelling of 12499432567 in words is "twelve billion, four hundred ninety-nine million, four hundred thirty-two thousand, five hundred sixty-seven".