12223345577889 has 32 divisors (see below), whose sum is σ = 16677228305920. Its totient is φ = 7961373868032.

The previous prime is 12223345577857. The next prime is 12223345577903. The reversal of 12223345577889 is 98877554332221.

It is a happy number.

It is not a de Polignac number, because 12223345577889 - 2⁵ = 12223345577857 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (12223345577389) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136808859 + ... + 136898175.

It is an arithmetic number, because the mean of its divisors is an integer number (521163384560).

Almost surely, 2^{12223345577889} is an apocalyptic number.

It is an amenable number.

12223345577889 is a deficient number, since it is larger than the sum of its proper divisors (4453882728031).

12223345577889 is an equidigital number, since it uses as much as digits as its factorization.

12223345577889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95449.

The product of its digits is 203212800, while the sum is 66.

The spelling of 12223345577889 in words is "twelve trillion, two hundred twenty-three billion, three hundred forty-five million, five hundred seventy-seven thousand, eight hundred eighty-nine".