12122211202222 has 16 divisors (see below), whose sum is σ = 19851569246592. Its totient is φ = 5505867211320.

The previous prime is 12122211202183. The next prime is 12122211202229. The reversal of 12122211202222 is 22220211222121.

12122211202222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 12122211202193 and 12122211202202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122211202229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211410168 + ... + 211467499.

It is an arithmetic number, because the mean of its divisors is an integer number (1240723077912).

Almost surely, 2^{12122211202222} is an apocalyptic number.

12122211202222 is a deficient number, since it is larger than the sum of its proper divisors (7729358044370).

12122211202222 is a wasteful number, since it uses less digits than its factorization.

12122211202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422878983.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 12122211202222 its reverse (22220211222121), we get a palindrome (34342422424343).

The spelling of 12122211202222 in words is "twelve trillion, one hundred twenty-two billion, two hundred eleven million, two hundred two thousand, two hundred twenty-two".