12231111022 has 24 divisors (see below), whose sum is σ = 19885680360. Its totient is φ = 5639680800.

The previous prime is 12231110993. The next prime is 12231111029. The reversal of 12231111022 is 22011113221.

It is a junction number, because it is equal to n+sod(n) for n = 12231110987 and 12231111005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12231111029) 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 11 ways as a sum of consecutive naturals, for example, 344397 + ... + 378247.

It is an arithmetic number, because the mean of its divisors is an integer number (828570015).

Almost surely, 2^12231111022 is an apocalyptic number.

12231111022 is a deficient number, since it is larger than the sum of its proper divisors (7654569338).

12231111022 is a wasteful number, since it uses less digits than its factorization.

12231111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34948 (or 34935 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12231111022 its reverse (22011113221), we get a palindrome (34242224243).

The spelling of 12231111022 in words is "twelve billion, two hundred thirty-one million, one hundred eleven thousand, twenty-two".