12120111222 has 8 divisors (see below), whose sum is σ = 24240222456. Its totient is φ = 4040037072.

The previous prime is 12120111197. The next prime is 12120111239. The reversal of 12120111222 is 22211102121.

12120111222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

12120111222 is an admirable number.

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, 1010009263 + ... + 1010009274.

It is an arithmetic number, because the mean of its divisors is an integer number (3030027807).

Almost surely, 2^12120111222 is an apocalyptic number.

12120111222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12120111222 is a wasteful number, since it uses less digits than its factorization.

12120111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020018542.

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

Adding to 12120111222 its reverse (22211102121), we get a palindrome (34331213343).

The spelling of 12120111222 in words is "twelve billion, one hundred twenty million, one hundred eleven thousand, two hundred twenty-two".