12210222022 has 16 divisors (see below), whose sum is σ = 18392512320. Its totient is φ = 6079424832.

The previous prime is 12210222019. The next prime is 12210222023. The reversal of 12210222022 is 22022201221.

It is a junction number, because it is equal to n+sod(n) for n = 12210221987 and 12210222005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210222023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 641028 + ... + 659800.

It is an arithmetic number, because the mean of its divisors is an integer number (1149532020).

Almost surely, 2^12210222022 is an apocalyptic number.

12210222022 is a deficient number, since it is larger than the sum of its proper divisors (6182290298).

12210222022 is a wasteful number, since it uses less digits than its factorization.

12210222022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20127.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12210222022 its reverse (22022201221), we get a palindrome (34232423243).

The spelling of 12210222022 in words is "twelve billion, two hundred ten million, two hundred twenty-two thousand, twenty-two".