12266836243 has 2 divisors, whose sum is σ = 12266836244. Its totient is φ = 12266836242.

The previous prime is 12266836199. The next prime is 12266836291. The reversal of 12266836243 is 34263866221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12266836243 - 2⁹ = 12266835731 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12266836243.

It is not a weakly prime, because it can be changed into another prime (12266836343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6133418121 + 6133418122.

It is an arithmetic number, because the mean of its divisors is an integer number (6133418122).

Almost surely, 2^12266836243 is an apocalyptic number.

12266836243 is a deficient number, since it is larger than the sum of its proper divisors (1).

12266836243 is an equidigital number, since it uses as much as digits as its factorization.

12266836243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 497664, while the sum is 43.

The spelling of 12266836243 in words is "twelve billion, two hundred sixty-six million, eight hundred thirty-six thousand, two hundred forty-three".