12228784585 has 16 divisors (see below), whose sum is σ = 14782828032. Its totient is φ = 9711000000.

The previous prime is 12228784559. The next prime is 12228784637. The reversal of 12228784585 is 58548782221.

It is a happy number.

12228784585 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12228784585 - 2²¹ = 12226687433 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 617335 + ... + 636835.

It is an arithmetic number, because the mean of its divisors is an integer number (923926752).

Almost surely, 2^12228784585 is an apocalyptic number.

It is an amenable number.

12228784585 is a deficient number, since it is larger than the sum of its proper divisors (2554043447).

12228784585 is a wasteful number, since it uses less digits than its factorization.

12228784585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20424.

The product of its digits is 2867200, while the sum is 52.

The spelling of 12228784585 in words is "twelve billion, two hundred twenty-eight million, seven hundred eighty-four thousand, five hundred eighty-five".