12043140044321 has 4 divisors (see below), whose sum is σ = 12067667824944. Its totient is φ = 12018612263700.

The previous prime is 12043140044261. The next prime is 12043140044339. The reversal of 12043140044321 is 12344004134021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12043140044321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12043140049321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12263889575 + ... + 12263890556.

It is an arithmetic number, because the mean of its divisors is an integer number (3016916956236).

Almost surely, 2^{12043140044321} is an apocalyptic number.

It is an amenable number.

12043140044321 is a deficient number, since it is larger than the sum of its proper divisors (24527780623).

12043140044321 is an equidigital number, since it uses as much as digits as its factorization.

12043140044321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24527780622.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 12043140044321 its reverse (12344004134021), we get a palindrome (24387144178342).

The spelling of 12043140044321 in words is "twelve trillion, forty-three billion, one hundred forty million, forty-four thousand, three hundred twenty-one".