12231222232 has 16 divisors (see below), whose sum is σ = 23143942800. Its totient is φ = 6059504160.

The previous prime is 12231222217. The next prime is 12231222239. The reversal of 12231222232 is 23222213221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12231222239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7012444 + ... + 7014187.

It is an arithmetic number, because the mean of its divisors is an integer number (1446496425).

Almost surely, 2^12231222232 is an apocalyptic number.

It is an amenable number.

12231222232 is a deficient number, since it is larger than the sum of its proper divisors (10912720568).

12231222232 is a wasteful number, since it uses less digits than its factorization.

12231222232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14026746 (or 14026742 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

Adding to 12231222232 its reverse (23222213221), we get a palindrome (35453435453).

The spelling of 12231222232 in words is "twelve billion, two hundred thirty-one million, two hundred twenty-two thousand, two hundred thirty-two".