12105316126 has 16 divisors (see below), whose sum is σ = 18786738240. Its totient is φ = 5843128480.

The previous prime is 12105316087. The next prime is 12105316127. The reversal of 12105316126 is 62161350121.

12105316126 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12105316094 and 12105316103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12105316127) 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, 718236 + ... + 734896.

It is an arithmetic number, because the mean of its divisors is an integer number (1174171140).

Almost surely, 2^12105316126 is an apocalyptic number.

12105316126 is a deficient number, since it is larger than the sum of its proper divisors (6681422114).

12105316126 is a wasteful number, since it uses less digits than its factorization.

12105316126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29219.

The product of its (nonzero) digits is 2160, while the sum is 28.

Adding to 12105316126 its reverse (62161350121), we get a palindrome (74266666247).

The spelling of 12105316126 in words is "twelve billion, one hundred five million, three hundred sixteen thousand, one hundred twenty-six".