12224320445 has 8 divisors (see below), whose sum is σ = 14696005344. Its totient is φ = 9761575824.

The previous prime is 12224320429. The next prime is 12224320477. The reversal of 12224320445 is 54402342221.

12224320445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12224320445 - 2⁴ = 12224320429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2232059 + ... + 2237528.

It is an arithmetic number, because the mean of its divisors is an integer number (1837000668).

Almost surely, 2^12224320445 is an apocalyptic number.

It is an amenable number.

12224320445 is a deficient number, since it is larger than the sum of its proper divisors (2471684899).

12224320445 is an equidigital number, since it uses as much as digits as its factorization.

12224320445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4470139.

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 12224320445 its reverse (54402342221), we get a palindrome (66626662666).

The spelling of 12224320445 in words is "twelve billion, two hundred twenty-four million, three hundred twenty thousand, four hundred forty-five".