12220112021222 has 32 divisors (see below), whose sum is σ = 21867480963072. Its totient is φ = 5007676110624.

The previous prime is 12220112021189. The next prime is 12220112021323. The reversal of 12220112021222 is 22212021102221.

It is a super-2 number, since 2×12220112021222² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12220112021194 and 12220112021203.

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, 5966753 + ... + 7748700.

It is an arithmetic number, because the mean of its divisors is an integer number (683358780096).

Almost surely, 2^{12220112021222} is an apocalyptic number.

12220112021222 is a deficient number, since it is larger than the sum of its proper divisors (9647368941850).

12220112021222 is a wasteful number, since it uses less digits than its factorization.

12220112021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13718252.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12220112021222 its reverse (22212021102221), we get a palindrome (34432133123443).

The spelling of 12220112021222 in words is "twelve trillion, two hundred twenty billion, one hundred twelve million, twenty-one thousand, two hundred twenty-two".