243122000200 has 48 divisors (see below), whose sum is σ = 566202600000. Its totient is φ = 97086400320.

The previous prime is 243122000197. The next prime is 243122000201. The reversal of 243122000200 is 2000221342.

It is not an unprimeable number, because it can be changed into a prime (243122000201) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 894900 + ... + 1134499.

It is an arithmetic number, because the mean of its divisors is an integer number (11795887500).

Almost surely, 2^243122000200 is an apocalyptic number.

243122000200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243122000200 is an abundant number, since it is smaller than the sum of its proper divisors (323080599800).

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

243122000200 is a wasteful number, since it uses less digits than its factorization.

243122000200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2030014 (or 2030005 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 243122000200 its reverse (2000221342), we get a palindrome (245122221542).

The spelling of 243122000200 in words is "two hundred forty-three billion, one hundred twenty-two million, two hundred", and thus it is an aban number.