12012012106 has 16 divisors (see below), whose sum is σ = 18645496200. Its totient is φ = 5796983808.

The previous prime is 12012012083. The next prime is 12012012151. The reversal of 12012012106 is 60121021021.

12012012106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 12006680625 + 5331481 = 109575^2 + 2309^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12012012106.

It is an unprimeable number.

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, 151126 + ... + 216478.

Almost surely, 2^12012012106 is an apocalyptic number.

12012012106 is a deficient number, since it is larger than the sum of its proper divisors (6633484094).

12012012106 is a wasteful number, since it uses less digits than its factorization.

12012012106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68553.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12012012106 its reverse (60121021021), we get a palindrome (72133033127).

The spelling of 12012012106 in words is "twelve billion, twelve million, twelve thousand, one hundred six".