12144112005 has 8 divisors (see below), whose sum is σ = 19430579232. Its totient is φ = 6476859728.

The previous prime is 12144112003. The next prime is 12144112009. The reversal of 12144112005 is 50021144121.

12144112005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12144112005 - 2¹ = 12144112003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12144112003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404803719 + ... + 404803748.

It is an arithmetic number, because the mean of its divisors is an integer number (2428822404).

Almost surely, 2^12144112005 is an apocalyptic number.

12144112005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12144112005 is a deficient number, since it is larger than the sum of its proper divisors (7286467227).

12144112005 is an equidigital number, since it uses as much as digits as its factorization.

12144112005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809607475.

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 12144112005 its reverse (50021144121), we get a palindrome (62165256126).

The spelling of 12144112005 in words is "twelve billion, one hundred forty-four million, one hundred twelve thousand, five".