12228887267 has 2 divisors, whose sum is σ = 12228887268. Its totient is φ = 12228887266.

The previous prime is 12228887257. The next prime is 12228887299. The reversal of 12228887267 is 76278882221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12228887267 - 2²⁶ = 12161778403 is a prime.

It is not a weakly prime, because it can be changed into another prime (12228887207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6114443633 + 6114443634.

It is an arithmetic number, because the mean of its divisors is an integer number (6114443634).

Almost surely, 2^12228887267 is an apocalyptic number.

12228887267 is a deficient number, since it is larger than the sum of its proper divisors (1).

12228887267 is an equidigital number, since it uses as much as digits as its factorization.

12228887267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2408448, while the sum is 53.

The spelling of 12228887267 in words is "twelve billion, two hundred twenty-eight million, eight hundred eighty-seven thousand, two hundred sixty-seven".