243001012 has 6 divisors (see below), whose sum is σ = 425251778. Its totient is φ = 121500504.

The previous prime is 243000983. The next prime is 243001019. The reversal of 243001012 is 210100342.

It can be written as a sum of positive squares in only one way, i.e., 233600656 + 9400356 = 15284^2 + 3066^2 .

It is a junction number, because it is equal to n+sod(n) for n = 243000983 and 243001001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243001019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30375123 + ... + 30375130.

Almost surely, 2^243001012 is an apocalyptic number.

It is an amenable number.

243001012 is a deficient number, since it is larger than the sum of its proper divisors (182250766).

243001012 is a wasteful number, since it uses less digits than its factorization.

243001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60750257 (or 60750255 counting only the distinct ones).

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

The square root of 243001012 is about 15588.4897280012. The cubic root of 243001012 is about 624.0260131880.

Adding to 243001012 its reverse (210100342), we get a palindrome (453101354).

The spelling of 243001012 in words is "two hundred forty-three million, one thousand, twelve".