12044322005 has 4 divisors (see below), whose sum is σ = 14453186412. Its totient is φ = 9635457600.

The previous prime is 12044322001. The next prime is 12044322011. The reversal of 12044322005 is 50022344021.

It is a happy number.

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 6620588689 + 5423733316 = 81367^2 + 73646^2 .

It is not a de Polignac number, because 12044322005 - 2² = 12044322001 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 (12044322001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1204432196 + ... + 1204432205.

It is an arithmetic number, because the mean of its divisors is an integer number (3613296603).

Almost surely, 2^12044322005 is an apocalyptic number.

It is an amenable number.

12044322005 is a deficient number, since it is larger than the sum of its proper divisors (2408864407).

12044322005 is an equidigital number, since it uses as much as digits as its factorization.

12044322005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2408864406.

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 12044322005 its reverse (50022344021), we get a palindrome (62066666026).

The spelling of 12044322005 in words is "twelve billion, forty-four million, three hundred twenty-two thousand, five".