12144816105 has 8 divisors (see below), whose sum is σ = 19431705792. Its totient is φ = 6477235248.

The previous prime is 12144816083. The next prime is 12144816139. The reversal of 12144816105 is 50161844121.

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

It is not a de Polignac number, because 12144816105 - 2⁶ = 12144816041 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404827189 + ... + 404827218.

It is an arithmetic number, because the mean of its divisors is an integer number (2428963224).

Almost surely, 2^12144816105 is an apocalyptic number.

12144816105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12144816105 is a deficient number, since it is larger than the sum of its proper divisors (7286889687).

12144816105 is an equidigital number, since it uses as much as digits as its factorization.

12144816105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809654415.

The product of its (nonzero) digits is 7680, while the sum is 33.

The spelling of 12144816105 in words is "twelve billion, one hundred forty-four million, eight hundred sixteen thousand, one hundred five".