12213002312 has 32 divisors (see below), whose sum is σ = 26174550720. Its totient is φ = 5233377600.

The previous prime is 12213002293. The next prime is 12213002341. The reversal of 12213002312 is 21320031221.

12213002312 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, 543443 + ... + 565469.

It is an arithmetic number, because the mean of its divisors is an integer number (817954710).

Almost surely, 2^12213002312 is an apocalyptic number.

It is an amenable number.

12213002312 is an abundant number, since it is smaller than the sum of its proper divisors (13961548408).

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

12213002312 is a wasteful number, since it uses less digits than its factorization.

12213002312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31941 (or 31937 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12213002312 its reverse (21320031221), we get a palindrome (33533033533).

The spelling of 12213002312 in words is "twelve billion, two hundred thirteen million, two thousand, three hundred twelve".