12122202112112 has 20 divisors (see below), whose sum is σ = 24507930357840. Its totient is φ = 5797574923008.

The previous prime is 12122202112099. The next prime is 12122202112127. The reversal of 12122202112112 is 21121120222121.

It is a congruent number.

It is an unprimeable number.

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, 16470382937 + ... + 16470383672.

It is an arithmetic number, because the mean of its divisors is an integer number (1225396517892).

Almost surely, 2^{12122202112112} is an apocalyptic number.

It is an amenable number.

12122202112112 is an abundant number, since it is smaller than the sum of its proper divisors (12385728245728).

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

12122202112112 is a wasteful number, since it uses less digits than its factorization.

12122202112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32940766640 (or 32940766634 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 12122202112112 its reverse (21121120222121), we get a palindrome (33243322334233).

The spelling of 12122202112112 in words is "twelve trillion, one hundred twenty-two billion, two hundred two million, one hundred twelve thousand, one hundred twelve".