12122110122 has 16 divisors (see below), whose sum is σ = 24435121152. Its totient is φ = 4008886560.

The previous prime is 12122110069. The next prime is 12122110123. The reversal of 12122110122 is 22101122121.

It is not an unprimeable number, because it can be changed into a prime (12122110123) 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, 7953379 + ... + 7954902.

It is an arithmetic number, because the mean of its divisors is an integer number (1527195072).

Almost surely, 2^12122110122 is an apocalyptic number.

12122110122 is an abundant number, since it is smaller than the sum of its proper divisors (12313011030).

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

12122110122 is a wasteful number, since it uses less digits than its factorization.

12122110122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15908413.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12122110122 its reverse (22101122121), we get a palindrome (34223232243).

The spelling of 12122110122 in words is "twelve billion, one hundred twenty-two million, one hundred ten thousand, one hundred twenty-two".