243040230012 has 12 divisors (see below), whose sum is σ = 567093870056. Its totient is φ = 81013410000.

The previous prime is 243040229959. The next prime is 243040230137. The reversal of 243040230012 is 210032040342.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×243040230012³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10126676239 + ... + 10126676262.

Almost surely, 2^243040230012 is an apocalyptic number.

It is an amenable number.

243040230012 is an abundant number, since it is smaller than the sum of its proper divisors (324053640044).

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

243040230012 is a wasteful number, since it uses less digits than its factorization.

243040230012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20253352508 (or 20253352506 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 243040230012 its reverse (210032040342), we get a palindrome (453072270354).

The spelling of 243040230012 in words is "two hundred forty-three billion, forty million, two hundred thirty thousand, twelve".