2112300 has 54 divisors (see below), whose sum is σ = 6623708. Its totient is φ = 563040.

The previous prime is 2112263. The next prime is 2112307. The reversal of 2112300 is 32112.

It is a happy number.

It is a super-2 number, since 2×2112300² = 8923622580000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (2112307) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 274 + ... + 2073.

2^2112300 is an apocalyptic number.

2112300 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 2112300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3311854).

2112300 is an abundant number, since it is smaller than the sum of its proper divisors (4511408).

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

2112300 is a wasteful number, since it uses less digits than its factorization.

2112300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2367 (or 2357 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 2112300 is about 1453.3753816547. The cubic root of 2112300 is about 128.3074477878.

Adding to 2112300 its reverse (32112), we get a palindrome (2144412).

It can be divided in two parts, 21 and 12300, that added together give a palindrome (12321).

The spelling of 2112300 in words is "two million, one hundred twelve thousand, three hundred".