2112230400 has 264 divisors, whose sum is σ = 7980352320. Its totient is φ = 482672640.

The previous prime is 2112230389. The next prime is 2112230441. The reversal of 2112230400 is 40322112.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2112230400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 535636 + ... + 539564.

Almost surely, 2^2112230400 is an apocalyptic number.

2112230400 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 2112230400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3990176160).

2112230400 is an abundant number, since it is smaller than the sum of its proper divisors (5868121920).

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

2112230400 is a wasteful number, since it uses less digits than its factorization.

2112230400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3969 (or 3946 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2112230400 is about 45959.0078221887. The cubic root of 2112230400 is about 1283.0603853467.

Adding to 2112230400 its reverse (40322112), we get a palindrome (2152552512).

The spelling of 2112230400 in words is "two billion, one hundred twelve million, two hundred thirty thousand, four hundred".