243287012 has 12 divisors (see below), whose sum is σ = 426896316. Its totient is φ = 121316640.

The previous prime is 243286997. The next prime is 243287041. The reversal of 243287012 is 210782342.

243287012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 42328036 + 200958976 = 6506^2 + 14176^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80039 + ... + 83022.

It is an arithmetic number, because the mean of its divisors is an integer number (35574693).

Almost surely, 2^243287012 is an apocalyptic number.

It is an amenable number.

243287012 is a deficient number, since it is larger than the sum of its proper divisors (183609304).

243287012 is a wasteful number, since it uses less digits than its factorization.

243287012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163438 (or 163436 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 243287012 is about 15597.6604655955. The cubic root of 243287012 is about 624.2707329757.

The spelling of 243287012 in words is "two hundred forty-three million, two hundred eighty-seven thousand, twelve".