12818492227 has 8 divisors (see below), whose sum is σ = 13464403200. Its totient is φ = 12179963400.

The previous prime is 12818492209. The next prime is 12818492233. The reversal of 12818492227 is 72229481821.

12818492227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12818492227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12818492257) 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 in 7 ways as a sum of consecutive naturals, for example, 1841977 + ... + 1848922.

It is an arithmetic number, because the mean of its divisors is an integer number (1683050400).

Almost surely, 2^12818492227 is an apocalyptic number.

12818492227 is a deficient number, since it is larger than the sum of its proper divisors (645910973).

12818492227 is a wasteful number, since it uses less digits than its factorization.

12818492227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3691073.

The product of its digits is 258048, while the sum is 46.

The spelling of 12818492227 in words is "twelve billion, eight hundred eighteen million, four hundred ninety-two thousand, two hundred twenty-seven".