12012012022222 has 8 divisors (see below), whose sum is σ = 18183320951400. Its totient is φ = 5950905038424.

The previous prime is 12012012022207. The next prime is 12012012022289. The reversal of 12012012022222 is 22222021021021.

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

It is a super-3 number, since 3×12012012022222³ (a number of 40 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12012012022222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27550486072 + ... + 27550486507.

It is an arithmetic number, because the mean of its divisors is an integer number (2272915118925).

Almost surely, 2^{12012012022222} is an apocalyptic number.

12012012022222 is a deficient number, since it is larger than the sum of its proper divisors (6171308929178).

12012012022222 is a wasteful number, since it uses less digits than its factorization.

12012012022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55100972690.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12012012022222 its reverse (22222021021021), we get a palindrome (34234033043243).

The spelling of 12012012022222 in words is "twelve trillion, twelve billion, twelve million, twenty-two thousand, two hundred twenty-two".