12204044243 has 4 divisors (see below), whose sum is σ = 12204265920. Its totient is φ = 12203822568.

The previous prime is 12204044227. The next prime is 12204044273. The reversal of 12204044243 is 34244040221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12204044243 - 2⁴ = 12204044227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12204044273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41918 + ... + 161756.

It is an arithmetic number, because the mean of its divisors is an integer number (3051066480).

Almost surely, 2^12204044243 is an apocalyptic number.

12204044243 is a deficient number, since it is larger than the sum of its proper divisors (221677).

12204044243 is a wasteful number, since it uses less digits than its factorization.

12204044243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221676.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 12204044243 its reverse (34244040221), we get a palindrome (46448084464).

The spelling of 12204044243 in words is "twelve billion, two hundred four million, forty-four thousand, two hundred forty-three".