243310012 has 24 divisors (see below), whose sum is σ = 464929920. Its totient is φ = 110493360.

The previous prime is 243310009. The next prime is 243310019. The reversal of 243310012 is 210013342.

It is a happy number.

243310012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243310019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66823 + ... + 70369.

It is an arithmetic number, because the mean of its divisors is an integer number (19372080).

Almost surely, 2^243310012 is an apocalyptic number.

243310012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

243310012 is a deficient number, since it is larger than the sum of its proper divisors (221619908).

243310012 is a wasteful number, since it uses less digits than its factorization.

243310012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5121 (or 5119 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 243310012 is about 15598.3977382294. The cubic root of 243310012 is about 624.2904049046.

Adding to 243310012 its reverse (210013342), we get a palindrome (453323354).

The spelling of 243310012 in words is "two hundred forty-three million, three hundred ten thousand, twelve".