2112130200 has 192 divisors, whose sum is σ = 6806484000. Its totient is φ = 541347840.

The previous prime is 2112130187. The next prime is 2112130247. The reversal of 2112130200 is 20312112.

2112130200 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2112130200² = 8922187963504080000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1975266 + ... + 1976334.

Almost surely, 2^2112130200 is an apocalyptic number.

2112130200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2112130200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3403242000).

2112130200 is an abundant number, since it is smaller than the sum of its proper divisors (4694353800).

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

2112130200 is a wasteful number, since it uses less digits than its factorization.

2112130200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214 (or 1205 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2112130200 is about 45957.9177073984. The cubic root of 2112130200 is about 1283.0400964168.

Adding to 2112130200 its reverse (20312112), we get a palindrome (2132442312).

The spelling of 2112130200 in words is "two billion, one hundred twelve million, one hundred thirty thousand, two hundred".