243012012 has 24 divisors (see below), whose sum is σ = 572233200. Its totient is φ = 80260416.

The previous prime is 243011999. The next prime is 243012013. The reversal of 243012012 is 210210342.

243012012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 243011982 and 243012000.

It is not an unprimeable number, because it can be changed into a prime (243012013) 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, 91587 + ... + 94202.

It is an arithmetic number, because the mean of its divisors is an integer number (23843050).

Almost surely, 2^243012012 is an apocalyptic number.

It is an amenable number.

243012012 is an abundant number, since it is smaller than the sum of its proper divisors (329221188).

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

243012012 is a wasteful number, since it uses less digits than its factorization.

243012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185905 (or 185903 counting only the distinct ones).

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

The square root of 243012012 is about 15588.8425484383. The cubic root of 243012012 is about 624.0354290370.

Adding to 243012012 its reverse (210210342), we get a palindrome (453222354).

The spelling of 243012012 in words is "two hundred forty-three million, twelve thousand, twelve".