12122110212222 has 16 divisors (see below), whose sum is σ = 24244664974992. Its totient is φ = 4040629312320.

The previous prime is 12122110212203. The next prime is 12122110212283. The reversal of 12122110212222 is 22221201122121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18167929 + ... + 18823332.

It is an arithmetic number, because the mean of its divisors is an integer number (1515291560937).

Almost surely, 2^{12122110212222} is an apocalyptic number.

12122110212222 is an abundant number, since it is smaller than the sum of its proper divisors (12122554762770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12122110212222 is a wasteful number, since it uses less digits than its factorization.

12122110212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37045883.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 12122110212222 its reverse (22221201122121), we get a palindrome (34343311334343).

The spelling of 12122110212222 in words is "twelve trillion, one hundred twenty-two billion, one hundred ten million, two hundred twelve thousand, two hundred twenty-two".