12784288267 has 2 divisors, whose sum is σ = 12784288268. Its totient is φ = 12784288266.

The previous prime is 12784288261. The next prime is 12784288367. The reversal of 12784288267 is 76288248721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12784288267 - 2²³ = 12775899659 is a prime.

It is not a weakly prime, because it can be changed into another prime (12784288261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6392144133 + 6392144134.

It is an arithmetic number, because the mean of its divisors is an integer number (6392144134).

Almost surely, 2^12784288267 is an apocalyptic number.

12784288267 is a deficient number, since it is larger than the sum of its proper divisors (1).

12784288267 is an equidigital number, since it uses as much as digits as its factorization.

12784288267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4816896, while the sum is 55.

The spelling of 12784288267 in words is "twelve billion, seven hundred eighty-four million, two hundred eighty-eight thousand, two hundred sixty-seven".