12222344566789 has 16 divisors (see below), whose sum is σ = 14051817300096. Its totient is φ = 10413871718400.

The previous prime is 12222344566741. The next prime is 12222344566811. The reversal of 12222344566789 is 98766544322221.

It is a cyclic number.

It is not a de Polignac number, because 12222344566789 - 2³⁵ = 12187984828421 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222344564789) 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, 4981332 + ... + 7018429.

It is an arithmetic number, because the mean of its divisors is an integer number (878238581256).

Almost surely, 2^{12222344566789} is an apocalyptic number.

It is an amenable number.

12222344566789 is a deficient number, since it is larger than the sum of its proper divisors (1829472733307).

12222344566789 is a wasteful number, since it uses less digits than its factorization.

12222344566789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12000636.

The product of its digits is 69672960, while the sum is 61.

The spelling of 12222344566789 in words is "twelve trillion, two hundred twenty-two billion, three hundred forty-four million, five hundred sixty-six thousand, seven hundred eighty-nine".