12243635886 has 16 divisors (see below), whose sum is σ = 25149090384. Its totient is φ = 3970908864.

The previous prime is 12243635881. The next prime is 12243635893. The reversal of 12243635886 is 68853634221.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12243635881) 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 7 ways as a sum of consecutive naturals, for example, 27575535 + ... + 27575978.

It is an arithmetic number, because the mean of its divisors is an integer number (1571818149).

Almost surely, 2^12243635886 is an apocalyptic number.

12243635886 is an abundant number, since it is smaller than the sum of its proper divisors (12905454498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12243635886 is a wasteful number, since it uses less digits than its factorization.

12243635886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55151555.

The product of its digits is 1658880, while the sum is 48.

The spelling of 12243635886 in words is "twelve billion, two hundred forty-three million, six hundred thirty-five thousand, eight hundred eighty-six".