12227518159 has 4 divisors (see below), whose sum is σ = 12228204240. Its totient is φ = 12226832080.

The previous prime is 12227518111. The next prime is 12227518183. The reversal of 12227518159 is 95181572221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12227518159 - 2¹¹ = 12227516111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12227018159) 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 in 3 ways as a sum of consecutive naturals, for example, 315574 + ... + 352195.

It is an arithmetic number, because the mean of its divisors is an integer number (3057051060).

Almost surely, 2^12227518159 is an apocalyptic number.

12227518159 is a deficient number, since it is larger than the sum of its proper divisors (686081).

12227518159 is an equidigital number, since it uses as much as digits as its factorization.

12227518159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686080.

The product of its digits is 100800, while the sum is 43.

The spelling of 12227518159 in words is "twelve billion, two hundred twenty-seven million, five hundred eighteen thousand, one hundred fifty-nine".