12443324045 has 4 divisors (see below), whose sum is σ = 14931988860. Its totient is φ = 9954659232.

The previous prime is 12443324017. The next prime is 12443324051. The reversal of 12443324045 is 54042334421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9737347684 + 2705976361 = 98678^2 + 52019^2 .

It is a cyclic number.

It is not a de Polignac number, because 12443324045 - 2¹⁸ = 12443061901 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1244332400 + ... + 1244332409.

It is an arithmetic number, because the mean of its divisors is an integer number (3732997215).

Almost surely, 2^12443324045 is an apocalyptic number.

It is an amenable number.

12443324045 is a deficient number, since it is larger than the sum of its proper divisors (2488664815).

12443324045 is an equidigital number, since it uses as much as digits as its factorization.

12443324045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2488664814.

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 12443324045 its reverse (54042334421), we get a palindrome (66485658466).

The spelling of 12443324045 in words is "twelve billion, four hundred forty-three million, three hundred twenty-four thousand, forty-five".