12213013208 has 32 divisors (see below), whose sum is σ = 25787013120. Its totient is φ = 5372292000.

The previous prime is 12213013207. The next prime is 12213013213. The reversal of 12213013208 is 80231031221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213013207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2235728 + ... + 2241183.

It is an arithmetic number, because the mean of its divisors is an integer number (805844160).

Almost surely, 2^12213013208 is an apocalyptic number.

It is an amenable number.

12213013208 is an abundant number, since it is smaller than the sum of its proper divisors (13573999912).

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

12213013208 is a wasteful number, since it uses less digits than its factorization.

12213013208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4476959 (or 4476955 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 12213013208 its reverse (80231031221), we get a palindrome (92444044429).

The spelling of 12213013208 in words is "twelve billion, two hundred thirteen million, thirteen thousand, two hundred eight".