12443420324 has 24 divisors (see below), whose sum is σ = 22296748320. Its totient is φ = 6073107264.

The previous prime is 12443420323. The next prime is 12443420389. The reversal of 12443420324 is 42302434421.

It is not an unprimeable number, because it can be changed into a prime (12443420323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254267 + ... + 299229.

It is an arithmetic number, because the mean of its divisors is an integer number (929031180).

Almost surely, 2^12443420324 is an apocalyptic number.

It is an amenable number.

12443420324 is a deficient number, since it is larger than the sum of its proper divisors (9853327996).

12443420324 is a wasteful number, since it uses less digits than its factorization.

12443420324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46619 (or 46617 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 12443420324 its reverse (42302434421), we get a palindrome (54745854745).

The spelling of 12443420324 in words is "twelve billion, four hundred forty-three million, four hundred twenty thousand, three hundred twenty-four".