12330111222 has 96 divisors (see below), whose sum is σ = 32367634560. Its totient is φ = 3448954080.

The previous prime is 12330111197. The next prime is 12330111223. The reversal of 12330111222 is 22211103321.

12330111222 is a `hidden beast` number, since 1 + 2 + 330 + 111 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12330111195 and 12330111204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12330111223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38973 + ... + 161799.

It is an arithmetic number, because the mean of its divisors is an integer number (337162860).

Almost surely, 2^12330111222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12330111222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16183817280).

12330111222 is an abundant number, since it is smaller than the sum of its proper divisors (20037523338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12330111222 is a wasteful number, since it uses less digits than its factorization.

12330111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122875 (or 122856 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12330111222 its reverse (22211103321), we get a palindrome (34541214543).

The spelling of 12330111222 in words is "twelve billion, three hundred thirty million, one hundred eleven thousand, two hundred twenty-two".