2212112200 has 48 divisors (see below), whose sum is σ = 5219956080. Its totient is φ = 871632960.

The previous prime is 2212112197. The next prime is 2212112261. The reversal of 2212112200 is 22112122.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69142 + ... + 95941.

It is an arithmetic number, because the mean of its divisors is an integer number (108749085).

Almost surely, 2^2212112200 is an apocalyptic number.

2212112200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212112200 is an abundant number, since it is smaller than the sum of its proper divisors (3007843880).

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

2212112200 is a wasteful number, since it uses less digits than its factorization.

2212112200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165166 (or 165157 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2212112200 is about 47033.0968574258. The cubic root of 2212112200 is about 1302.9739017242.

Adding to 2212112200 its reverse (22112122), we get a palindrome (2234224322).

The spelling of 2212112200 in words is "two billion, two hundred twelve million, one hundred twelve thousand, two hundred".