243100012 has 6 divisors (see below), whose sum is σ = 425425028. Its totient is φ = 121550004.

The previous prime is 243100007. The next prime is 243100037. The reversal of 243100012 is 210001342.

It is a junction number, because it is equal to n+sod(n) for n = 243099965 and 243100001.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 30387498 + ... + 30387505.

Almost surely, 2^243100012 is an apocalyptic number.

It is an amenable number.

243100012 is a deficient number, since it is larger than the sum of its proper divisors (182325016).

243100012 is a wasteful number, since it uses less digits than its factorization.

243100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60775007 (or 60775005 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 243100012 is about 15591.6648245144. The cubic root of 243100012 is about 624.1107456026.

Adding to 243100012 its reverse (210001342), we get a palindrome (453101354).

The spelling of 243100012 in words is "two hundred forty-three million, one hundred thousand, twelve".