2012243500 has 24 divisors (see below), whose sum is σ = 4394740896. Its totient is φ = 804897200.

The previous prime is 2012243461. The next prime is 2012243501. The reversal of 2012243500 is 53422102.

It is not an unprimeable number, because it can be changed into a prime (2012243501) 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 7 ways as a sum of consecutive naturals, for example, 2011744 + ... + 2012743.

It is an arithmetic number, because the mean of its divisors is an integer number (183114204).

Almost surely, 2^2012243500 is an apocalyptic number.

2012243500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012243500 is an abundant number, since it is smaller than the sum of its proper divisors (2382497396).

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

2012243500 is a wasteful number, since it uses less digits than its factorization.

2012243500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4024506 (or 4024494 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2012243500 is about 44858.0371839874. The cubic root of 2012243500 is about 1262.4867952741.

Adding to 2012243500 its reverse (53422102), we get a palindrome (2065665602).

The spelling of 2012243500 in words is "two billion, twelve million, two hundred forty-three thousand, five hundred".