12213332312 has 32 divisors (see below), whose sum is σ = 23484133200. Its totient is φ = 5951522304.

The previous prime is 12213332311. The next prime is 12213332323. The reversal of 12213332312 is 21323331221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213332311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118364 + ... + 196052.

Almost surely, 2^12213332312 is an apocalyptic number.

It is an amenable number.

12213332312 is a deficient number, since it is larger than the sum of its proper divisors (11270800888).

12213332312 is a wasteful number, since it uses less digits than its factorization.

12213332312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78195 (or 78191 counting only the distinct ones).

The product of its digits is 1296, while the sum is 23.

Adding to 12213332312 its reverse (21323331221), we get a palindrome (33536663533).

The spelling of 12213332312 in words is "twelve billion, two hundred thirteen million, three hundred thirty-two thousand, three hundred twelve".