243112012 has 48 divisors (see below), whose sum is σ = 510515712. Its totient is φ = 99823680.

The previous prime is 243111997. The next prime is 243112021. The reversal of 243112012 is 210211342.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22363 + ... + 31405.

It is an arithmetic number, because the mean of its divisors is an integer number (10635744).

Almost surely, 2^243112012 is an apocalyptic number.

243112012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

243112012 is an abundant number, since it is smaller than the sum of its proper divisors (267403700).

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

243112012 is a wasteful number, since it uses less digits than its factorization.

243112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9118 (or 9116 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 243112012 is about 15592.0496407624. The cubic root of 243112012 is about 624.1210146351.

Adding to 243112012 its reverse (210211342), we get a palindrome (453323354).

The spelling of 243112012 in words is "two hundred forty-three million, one hundred twelve thousand, twelve".