12224320446 has 32 divisors (see below), whose sum is σ = 26941622400. Its totient is φ = 3673855584.

The previous prime is 12224320429. The next prime is 12224320477. The reversal of 12224320446 is 64402342221.

12224320446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 1818996 + ... + 1825703.

It is an arithmetic number, because the mean of its divisors is an integer number (841925700).

Almost surely, 2^12224320446 is an apocalyptic number.

12224320446 is an abundant number, since it is smaller than the sum of its proper divisors (14717301954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12224320446 is a wasteful number, since it uses less digits than its factorization.

12224320446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3644760.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 12224320446 its reverse (64402342221), we get a palindrome (76626662667).

The spelling of 12224320446 in words is "twelve billion, two hundred twenty-four million, three hundred twenty thousand, four hundred forty-six".