12305421344 has 24 divisors (see below), whose sum is σ = 24228771840. Its totient is φ = 6152082496.

The previous prime is 12305421343. The next prime is 12305421353. The reversal of 12305421344 is 44312450321.

12305421344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12305421341) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 588737 + ... + 609279.

It is an arithmetic number, because the mean of its divisors is an integer number (1009532160).

Almost surely, 2^12305421344 is an apocalyptic number.

It is an amenable number.

12305421344 is a deficient number, since it is larger than the sum of its proper divisors (11923350496).

12305421344 is a wasteful number, since it uses less digits than its factorization.

12305421344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39272 (or 39264 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 12305421344 its reverse (44312450321), we get a palindrome (56617871665).

The spelling of 12305421344 in words is "twelve billion, three hundred five million, four hundred twenty-one thousand, three hundred forty-four".