12230211222 has 80 divisors (see below), whose sum is σ = 29023644672. Its totient is φ = 3841207920.

The previous prime is 12230211193. The next prime is 12230211229. The reversal of 12230211222 is 22211203221.

12230211222 is a `hidden beast` number, since 1 + 2 + 230 + 211 + 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 = 12230211195 and 12230211204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12230211229) 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 39 ways as a sum of consecutive naturals, for example, 225147 + ... + 274137.

Almost surely, 2^12230211222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12230211222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14511822336).

12230211222 is an abundant number, since it is smaller than the sum of its proper divisors (16793433450).

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

12230211222 is a wasteful number, since it uses less digits than its factorization.

12230211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49095 (or 49086 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12230211222 its reverse (22211203221), we get a palindrome (34441414443).

The spelling of 12230211222 in words is "twelve billion, two hundred thirty million, two hundred eleven thousand, two hundred twenty-two".