243242044120200 has 96 divisors (see below), whose sum is σ = 780052072579200. Its totient is φ = 62627836642560.

The previous prime is 243242044120199. The next prime is 243242044120319. The reversal of 243242044120200 is 2021440242342.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6989696512 + ... + 6989731311.

It is an arithmetic number, because the mean of its divisors is an integer number (8125542422700).

Almost surely, 2^{243242044120200} is an apocalyptic number.

243242044120200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243242044120200 is an abundant number, since it is smaller than the sum of its proper divisors (536810028459000).

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

243242044120200 is a wasteful number, since it uses less digits than its factorization.

243242044120200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13979427871 (or 13979427862 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 243242044120200 its reverse (2021440242342), we get a palindrome (245263484362542).

The spelling of 243242044120200 in words is "two hundred forty-three trillion, two hundred forty-two billion, forty-four million, one hundred twenty thousand, two hundred".