2222212012 has 6 divisors (see below), whose sum is σ = 3888871028. Its totient is φ = 1111106004.

The previous prime is 2222211991. The next prime is 2222212019. The reversal of 2222212012 is 2102122222.

It is not an unprimeable number, because it can be changed into a prime (2222212019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277776498 + ... + 277776505.

Almost surely, 2^2222212012 is an apocalyptic number.

It is an amenable number.

2222212012 is a deficient number, since it is larger than the sum of its proper divisors (1666659016).

2222212012 is a wasteful number, since it uses less digits than its factorization.

2222212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555553007 (or 555553005 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2222212012 is about 47140.3437832182. The cubic root of 2222212012 is about 1304.9538818031.

Adding to 2222212012 its reverse (2102122222), we get a palindrome (4324334234).

The spelling of 2222212012 in words is "two billion, two hundred twenty-two million, two hundred twelve thousand, twelve".