2012222112222 has 32 divisors (see below), whose sum is σ = 4599406865664. Its totient is φ = 574915348800.

The previous prime is 2012222112193. The next prime is 2012222112233. The reversal of 2012222112222 is 2222112222102.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8864197 + ... + 9088367.

It is an arithmetic number, because the mean of its divisors is an integer number (143731464552).

Almost surely, 2^{2012222112222} is an apocalyptic number.

2012222112222 is an abundant number, since it is smaller than the sum of its proper divisors (2587184753442).

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

2012222112222 is a wasteful number, since it uses less digits than its factorization.

2012222112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437904.

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

Adding to 2012222112222 its reverse (2222112222102), we get a palindrome (4234334334324).

The spelling of 2012222112222 in words is "two trillion, twelve billion, two hundred twenty-two million, one hundred twelve thousand, two hundred twenty-two".