12200221101222 has 64 divisors (see below), whose sum is σ = 33801478387200. Its totient is φ = 3168888596640.

The previous prime is 12200221101221. The next prime is 12200221101259. The reversal of 12200221101222 is 22210112200221.

It is a happy number.

12200221101222 is a `hidden beast` number, since 1 + 220 + 0 + 221 + 1 + 0 + 1 + 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 = 12200221101195 and 12200221101204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200221101221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1467073897 + ... + 1467082212.

It is an arithmetic number, because the mean of its divisors is an integer number (528148099800).

Almost surely, 2^{12200221101222} is an apocalyptic number.

12200221101222 is an abundant number, since it is smaller than the sum of its proper divisors (21601257285978).

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

12200221101222 is a wasteful number, since it uses less digits than its factorization.

12200221101222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2934156138 (or 2934156132 counting only the distinct ones).

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

Adding to 12200221101222 its reverse (22210112200221), we get a palindrome (34410333301443).

The spelling of 12200221101222 in words is "twelve trillion, two hundred billion, two hundred twenty-one million, one hundred one thousand, two hundred twenty-two".