12012208 has 20 divisors (see below), whose sum is σ = 25064368. Its totient is φ = 5544000.

The previous prime is 12012197. The next prime is 12012257. The reversal of 12012208 is 80221021.

12012208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 12012191 and 12012200.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28668 + ... + 29083.

Almost surely, 2^12012208 is an apocalyptic number.

It is an amenable number.

12012208 is an abundant number, since it is smaller than the sum of its proper divisors (13052160).

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

12012208 is a wasteful number, since it uses less digits than its factorization.

12012208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57772 (or 57766 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 12012208 is about 3465.8632402332. The cubic root of 12012208 is about 229.0204592617.

Adding to 12012208 its reverse (80221021), we get a palindrome (92233229).

The spelling of 12012208 in words is "twelve million, twelve thousand, two hundred eight".