243242044120000 has 140 divisors (see below), whose sum is σ = 603200757345120. Its totient is φ = 97290439168000.

The previous prime is 243242044119979. The next prime is 243242044120001. The reversal of 243242044120000 is 21440242342.

243242044120000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243242044120001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 635288616 + ... + 635671384.

Almost surely, 2^{243242044120000} is an apocalyptic number.

243242044120000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243242044120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301600378672560).

243242044120000 is an abundant number, since it is smaller than the sum of its proper divisors (359958713225120).

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

243242044120000 is an equidigital number, since it uses as much as digits as its factorization.

243242044120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398688 (or 398663 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 243242044120000 its reverse (21440242342), we get a palindrome (243263484362342).

The spelling of 243242044120000 in words is "two hundred forty-three trillion, two hundred forty-two billion, forty-four million, one hundred twenty thousand".