2112012200 has 48 divisors (see below), whose sum is σ = 4914162780. Its totient is φ = 844162560.

The previous prime is 2112012193. The next prime is 2112012223. The reversal of 2112012200 is 22102112.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 936482404 + 1175529796 = 30602^2 + 34286^2 .

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, 328214 + ... + 334586.

Almost surely, 2^2112012200 is an apocalyptic number.

2112012200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112012200 is an abundant number, since it is smaller than the sum of its proper divisors (2802150580).

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

2112012200 is a wasteful number, since it uses less digits than its factorization.

2112012200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8046 (or 8037 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2112012200 is about 45956.6339063252. The cubic root of 2112012200 is about 1283.0162024430.

Adding to 2112012200 its reverse (22102112), we get a palindrome (2134114312).

The spelling of 2112012200 in words is "two billion, one hundred twelve million, twelve thousand, two hundred".