12584665522 has 32 divisors (see below), whose sum is σ = 22184959104. Its totient is φ = 5278425600.

The previous prime is 12584665517. The next prime is 12584665529. The reversal of 12584665522 is 22556648521.

12584665522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12584665529) 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 15 ways as a sum of consecutive naturals, for example, 1071522 + ... + 1083202.

It is an arithmetic number, because the mean of its divisors is an integer number (693279972).

Almost surely, 2^12584665522 is an apocalyptic number.

12584665522 is a deficient number, since it is larger than the sum of its proper divisors (9600293582).

12584665522 is a wasteful number, since it uses less digits than its factorization.

12584665522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15474.

The product of its digits is 1152000, while the sum is 46.

The spelling of 12584665522 in words is "twelve billion, five hundred eighty-four million, six hundred sixty-five thousand, five hundred twenty-two".