12220110201222 has 96 divisors (see below), whose sum is σ = 33020186284800. Its totient is φ = 3173091284160.

The previous prime is 12220110201217. The next prime is 12220110201259. The reversal of 12220110201222 is 22210201102221.

It is a happy number.

12220110201222 is a `hidden beast` number, since 12 + 220 + 1 + 10 + 201 + 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 = 12220110201195 and 12220110201204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3236128 + ... + 5908700.

It is an arithmetic number, because the mean of its divisors is an integer number (343960273800).

Almost surely, 2^{12220110201222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12220110201222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16510093142400).

12220110201222 is an abundant number, since it is smaller than the sum of its proper divisors (20800076083578).

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

12220110201222 is a wasteful number, since it uses less digits than its factorization.

12220110201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2675898 (or 2675895 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12220110201222 its reverse (22210201102221), we get a palindrome (34430311303443).

Subtracting 12220110201222 from its reverse (22210201102221), we obtain a palindrome (9990090900999).

The spelling of 12220110201222 in words is "twelve trillion, two hundred twenty billion, one hundred ten million, two hundred one thousand, two hundred twenty-two".