12212012204 has 12 divisors (see below), whose sum is σ = 24424024464. Its totient is φ = 5233719504.

The previous prime is 12212012179. The next prime is 12212012221. The reversal of 12212012204 is 40221021221.

12212012204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

12212012204 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 218071619 + ... + 218071674.

It is an arithmetic number, because the mean of its divisors is an integer number (2035335372).

Almost surely, 2^12212012204 is an apocalyptic number.

12212012204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12212012204 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12212012204 is a wasteful number, since it uses less digits than its factorization.

12212012204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436143304 (or 436143302 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12212012204 its reverse (40221021221), we get a palindrome (52433033425).

The spelling of 12212012204 in words is "twelve billion, two hundred twelve million, twelve thousand, two hundred four".