12012110122 has 4 divisors (see below), whose sum is σ = 18018165186. Its totient is φ = 6006055060.

The previous prime is 12012110063. The next prime is 12012110141. The reversal of 12012110122 is 22101121021.

12012110122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9208513521 + 2803596601 = 95961^2 + 52949^2 .

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 as a sum of consecutive naturals, namely, 3003027529 + ... + 3003027532.

Almost surely, 2^12012110122 is an apocalyptic number.

12012110122 is a deficient number, since it is larger than the sum of its proper divisors (6006055064).

12012110122 is an equidigital number, since it uses as much as digits as its factorization.

12012110122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6006055063.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12012110122 its reverse (22101121021), we get a palindrome (34113231143).

The spelling of 12012110122 in words is "twelve billion, twelve million, one hundred ten thousand, one hundred twenty-two".