12012012208 has 40 divisors (see below), whose sum is σ = 26616867840. Its totient is φ = 5144358720.

The previous prime is 12012012191. The next prime is 12012012217. The reversal of 12012012208 is 80221021021.

12012012208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 123903 + ... + 198433.

It is an arithmetic number, because the mean of its divisors is an integer number (665421696).

Almost surely, 2^12012012208 is an apocalyptic number.

It is an amenable number.

12012012208 is an abundant number, since it is smaller than the sum of its proper divisors (14604855632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12012012208 is a wasteful number, since it uses less digits than its factorization.

12012012208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75985 (or 75979 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12012012208 its reverse (80221021021), we get a palindrome (92233033229).

It can be divided in two parts, 1201201 and 2208, that added together give a square (1203409 = 1097²).

The spelling of 12012012208 in words is "twelve billion, twelve million, twelve thousand, two hundred eight".