12122222120222 has 32 divisors (see below), whose sum is σ = 19853447565600. Its totient is φ = 5529237856128.

The previous prime is 12122222120221. The next prime is 12122222120257. The reversal of 12122222120222 is 22202122222121.

It is a super-2 number, since 2×12122222120222² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122222120221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14334533 + ... + 15156624.

It is an arithmetic number, because the mean of its divisors is an integer number (620420236425).

Almost surely, 2^{12122222120222} is an apocalyptic number.

12122222120222 is a deficient number, since it is larger than the sum of its proper divisors (7731225445378).

12122222120222 is a wasteful number, since it uses less digits than its factorization.

12122222120222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29491580.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 12122222120222 its reverse (22202122222121), we get a palindrome (34324344342343).

The spelling of 12122222120222 in words is "twelve trillion, one hundred twenty-two billion, two hundred twenty-two million, one hundred twenty thousand, two hundred twenty-two".