12233445556789 has 16 divisors (see below), whose sum is σ = 13303553281200. Its totient is φ = 11202300739584.

The previous prime is 12233445556747. The next prime is 12233445556817. The reversal of 12233445556789 is 98765554433221.

It can be written as a sum of positive squares in 8 ways, for example, as 4991873062500 + 7241572494289 = 2234250^2 + 2691017^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12233445556789 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 12233445556789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12233445556729) 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, 21335157 + ... + 21901045.

It is an arithmetic number, because the mean of its divisors is an integer number (831472080075).

Almost surely, 2^{12233445556789} is an apocalyptic number.

It is an amenable number.

12233445556789 is a deficient number, since it is larger than the sum of its proper divisors (1070107724411).

12233445556789 is a wasteful number, since it uses less digits than its factorization.

12233445556789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600312.

The product of its digits is 217728000, while the sum is 64.

The spelling of 12233445556789 in words is "twelve trillion, two hundred thirty-three billion, four hundred forty-five million, five hundred fifty-six thousand, seven hundred eighty-nine".