12227564493 has 16 divisors (see below), whose sum is σ = 18125432640. Its totient is φ = 8146974672.

The previous prime is 12227564443. The next prime is 12227564533. The reversal of 12227564493 is 39446572221.

12227564493 is a `hidden beast` number, since 1 + 22 + 27 + 564 + 49 + 3 = 666.

It is not a de Polignac number, because 12227564493 - 2⁶ = 12227564429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12227564443) 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 15 ways as a sum of consecutive naturals, for example, 83871 + ... + 177452.

It is an arithmetic number, because the mean of its divisors is an integer number (1132839540).

Almost surely, 2^12227564493 is an apocalyptic number.

It is an amenable number.

12227564493 is a deficient number, since it is larger than the sum of its proper divisors (5897868147).

12227564493 is a wasteful number, since it uses less digits than its factorization.

12227564493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263065 (or 263059 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The spelling of 12227564493 in words is "twelve billion, two hundred twenty-seven million, five hundred sixty-four thousand, four hundred ninety-three".