12022021222 has 8 divisors (see below), whose sum is σ = 18035926272. Its totient is φ = 6010045800.

The previous prime is 12022021171. The next prime is 12022021229. The reversal of 12022021222 is 22212022021.

12022021222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12022021196 and 12022021205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022021229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 466729 + ... + 491812.

It is an arithmetic number, because the mean of its divisors is an integer number (2254490784).

Almost surely, 2^12022021222 is an apocalyptic number.

12022021222 is a deficient number, since it is larger than the sum of its proper divisors (6013905050).

12022021222 is an equidigital number, since it uses as much as digits as its factorization.

12022021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964814.

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

Adding to 12022021222 its reverse (22212022021), we get a palindrome (34234043243).

It can be divided in two parts, 12022021 and 222, that multiplied together give a palindrome (2668888662).

The spelling of 12022021222 in words is "twelve billion, twenty-two million, twenty-one thousand, two hundred twenty-two".