12002112112222 has 4 divisors (see below), whose sum is σ = 18003168168336. Its totient is φ = 6001056056110.

The previous prime is 12002112112213. The next prime is 12002112112241. The reversal of 12002112112222 is 22221121120021.

12002112112222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12002112112222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3000528028054 + ... + 3000528028057.

It is an arithmetic number, because the mean of its divisors is an integer number (4500792042084).

Almost surely, 2^{12002112112222} is an apocalyptic number.

12002112112222 is a deficient number, since it is larger than the sum of its proper divisors (6001056056114).

12002112112222 is an equidigital number, since it uses as much as digits as its factorization.

12002112112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6001056056113.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12002112112222 its reverse (22221121120021), we get a palindrome (34223233232243).

The spelling of 12002112112222 in words is "twelve trillion, two billion, one hundred twelve million, one hundred twelve thousand, two hundred twenty-two".