12231211222 has 8 divisors (see below), whose sum is σ = 18362276856. Its totient is φ = 6110452272.

The previous prime is 12231211219. The next prime is 12231211241. The reversal of 12231211222 is 22211213221.

12231211222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12231211222.

It is a congruent number.

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, 2573703 + ... + 2578450.

It is an arithmetic number, because the mean of its divisors is an integer number (2295284607).

Almost surely, 2^12231211222 is an apocalyptic number.

12231211222 is a deficient number, since it is larger than the sum of its proper divisors (6131065634).

12231211222 is a wasteful number, since it uses less digits than its factorization.

12231211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5153342.

The product of its digits is 192, while the sum is 19.

Adding to 12231211222 its reverse (22211213221), we get a palindrome (34442424443).

The spelling of 12231211222 in words is "twelve billion, two hundred thirty-one million, two hundred eleven thousand, two hundred twenty-two".