12220211223222 has 32 divisors (see below), whose sum is σ = 25105814114400. Its totient is φ = 3962547583488.

The previous prime is 12220211223109. The next prime is 12220211223247. The reversal of 12220211223222 is 22232211202221.

It is a super-2 number, since 2×12220211223222² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12220211223192 and 12220211223201.

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, 4152147 + ... + 6456062.

It is an arithmetic number, because the mean of its divisors is an integer number (784556691075).

Almost surely, 2^{12220211223222} is an apocalyptic number.

12220211223222 is an abundant number, since it is smaller than the sum of its proper divisors (12885602891178).

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

12220211223222 is a wasteful number, since it uses less digits than its factorization.

12220211223222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10613440.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 12220211223222 its reverse (22232211202221), we get a palindrome (34452422425443).

The spelling of 12220211223222 in words is "twelve trillion, two hundred twenty billion, two hundred eleven million, two hundred twenty-three thousand, two hundred twenty-two".