12243455212 has 12 divisors (see below), whose sum is σ = 21440946240. Its totient is φ = 6117470576.

The previous prime is 12243455143. The next prime is 12243455221. The reversal of 12243455212 is 21255434221.

It is a happy number.

12243455212 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 3 ways as a sum of consecutive naturals, for example, 1057783 + ... + 1069294.

It is an arithmetic number, because the mean of its divisors is an integer number (1786745520).

Almost surely, 2^12243455212 is an apocalyptic number.

It is an amenable number.

12243455212 is a deficient number, since it is larger than the sum of its proper divisors (9197491028).

12243455212 is a wasteful number, since it uses less digits than its factorization.

12243455212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2128520 (or 2128518 counting only the distinct ones).

The product of its digits is 19200, while the sum is 31.

Adding to 12243455212 its reverse (21255434221), we get a palindrome (33498889433).

The spelling of 12243455212 in words is "twelve billion, two hundred forty-three million, four hundred fifty-five thousand, two hundred twelve".