12002222112222 has 64 divisors (see below), whose sum is σ = 24603509159424. Its totient is φ = 3902090163840.

The previous prime is 12002222112149. The next prime is 12002222112239. The reversal of 12002222112222 is 22221122220021.

It is a super-2 number, since 2×12002222112222² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 275783608 + ... + 275827124.

It is an arithmetic number, because the mean of its divisors is an integer number (384429830616).

Almost surely, 2^{12002222112222} is an apocalyptic number.

12002222112222 is an abundant number, since it is smaller than the sum of its proper divisors (12601287047202).

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

12002222112222 is a wasteful number, since it uses less digits than its factorization.

12002222112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50353.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 12002222112222 its reverse (22221122220021), we get a palindrome (34223344332243).

The spelling of 12002222112222 in words is "twelve trillion, two billion, two hundred twenty-two million, one hundred twelve thousand, two hundred twenty-two".