12043315055 has 4 divisors (see below), whose sum is σ = 14451978072. Its totient is φ = 9634652040.

The previous prime is 12043315051. The next prime is 12043315069. The reversal of 12043315055 is 55051334021.

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

It is not a de Polignac number, because 12043315055 - 2² = 12043315051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12043315051) 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, 1204331501 + ... + 1204331510.

It is an arithmetic number, because the mean of its divisors is an integer number (3612994518).

Almost surely, 2^12043315055 is an apocalyptic number.

12043315055 is a deficient number, since it is larger than the sum of its proper divisors (2408663017).

12043315055 is an equidigital number, since it uses as much as digits as its factorization.

12043315055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2408663016.

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 12043315055 its reverse (55051334021), we get a palindrome (67094649076).

The spelling of 12043315055 in words is "twelve billion, forty-three million, three hundred fifteen thousand, fifty-five".