12222221200222 has 32 divisors (see below), whose sum is σ = 20378848462560. Its totient is φ = 5450334289920.

The previous prime is 12222221200201. The next prime is 12222221200237. The reversal of 12222221200222 is 22200212222221.

It is a super-2 number, since 2×12222221200222² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 12222221200193 and 12222221200202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15845854 + ... + 16599262.

It is an arithmetic number, because the mean of its divisors is an integer number (636839014455).

Almost surely, 2^{12222221200222} is an apocalyptic number.

12222221200222 is a deficient number, since it is larger than the sum of its proper divisors (8156627262338).

12222221200222 is a wasteful number, since it uses less digits than its factorization.

12222221200222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767388.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 12222221200222 its reverse (22200212222221), we get a palindrome (34422433422443).

The spelling of 12222221200222 in words is "twelve trillion, two hundred twenty-two billion, two hundred twenty-one million, two hundred thousand, two hundred twenty-two".