2012443200 has 126 divisors (see below), whose sum is σ = 7152749474. Its totient is φ = 536647680.

The previous prime is 2012443193. The next prime is 2012443201. The reversal of 2012443200 is 23442102.

2012443200 is a `hidden beast` number, since 20 + 1 + 2 + 443 + 200 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 539725824 + 1472717376 = 23232^2 + 38376^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012443201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 55477 + ... + 84276.

Almost surely, 2^2012443200 is an apocalyptic number.

2012443200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012443200 is an abundant number, since it is smaller than the sum of its proper divisors (5140306274).

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

2012443200 is a wasteful number, since it uses less digits than its factorization.

2012443200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139781 (or 139763 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2012443200 is about 44860.2630397995. The cubic root of 2012443200 is about 1262.5285579920.

Adding to 2012443200 its reverse (23442102), we get a palindrome (2035885302).

The spelling of 2012443200 in words is "two billion, twelve million, four hundred forty-three thousand, two hundred".