2212112212 has 24 divisors (see below), whose sum is σ = 3898790280. Its totient is φ = 1098195840.

The previous prime is 2212112197. The next prime is 2212112261. The reversal of 2212112212 is 2122112122.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1175529796 + 1036582416 = 34286^2 + 32196^2 .

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423714 + ... + 428902.

It is an arithmetic number, because the mean of its divisors is an integer number (162449595).

Almost surely, 2^2212112212 is an apocalyptic number.

It is an amenable number.

2212112212 is a deficient number, since it is larger than the sum of its proper divisors (1686678068).

2212112212 is a wasteful number, since it uses less digits than its factorization.

2212112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5931 (or 5929 counting only the distinct ones).

The product of its digits is 64, while the sum is 16.

The square root of 2212112212 is about 47033.0969849956. The cubic root of 2212112212 is about 1302.9739040803.

Adding to 2212112212 its reverse (2122112122), we get a palindrome (4334224334).

The spelling of 2212112212 in words is "two billion, two hundred twelve million, one hundred twelve thousand, two hundred twelve".