2222112012 has 12 divisors (see below), whose sum is σ = 5184928056. Its totient is φ = 740704000.

The previous prime is 2222112001. The next prime is 2222112029. The reversal of 2222112012 is 2102112222.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 2222111982 and 2222112000.

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, 92587989 + ... + 92588012.

It is an arithmetic number, because the mean of its divisors is an integer number (432077338).

Almost surely, 2^2222112012 is an apocalyptic number.

It is an amenable number.

2222112012 is an abundant number, since it is smaller than the sum of its proper divisors (2962816044).

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

2222112012 is a wasteful number, since it uses less digits than its factorization.

2222112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185176008 (or 185176006 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2222112012 is about 47139.2831086770. The cubic root of 2222112012 is about 1304.9343071113.

Adding to 2222112012 its reverse (2102112222), we get a palindrome (4324224234).

The spelling of 2222112012 in words is "two billion, two hundred twenty-two million, one hundred twelve thousand, twelve".