12223344304305 has 32 divisors (see below), whose sum is σ = 21730843296000. Its totient is φ = 6518980935936.

The previous prime is 12223344304289. The next prime is 12223344304337. The reversal of 12223344304305 is 50340344332221.

12223344304305 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 3 + 3 + 44 + 304 + 305 = 666.

It is not a de Polignac number, because 12223344304305 - 2⁴ = 12223344304289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12223344304305.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5722921 + ... + 7562969.

It is an arithmetic number, because the mean of its divisors is an integer number (679088853000).

Almost surely, 2^{12223344304305} is an apocalyptic number.

12223344304305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12223344304305 is a deficient number, since it is larger than the sum of its proper divisors (9507498991695).

12223344304305 is a wasteful number, since it uses less digits than its factorization.

12223344304305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889270 (or 1889264 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 36.

Adding to 12223344304305 its reverse (50340344332221), we get a palindrome (62563688636526).

The spelling of 12223344304305 in words is "twelve trillion, two hundred twenty-three billion, three hundred forty-four million, three hundred four thousand, three hundred five".