243103122200 has 192 divisors, whose sum is σ = 588676965120. Its totient is φ = 93265920000.

The previous prime is 243103122193. The next prime is 243103122209. The reversal of 243103122200 is 2221301342.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243103122209) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 606242000 + ... + 606242400.

It is an arithmetic number, because the mean of its divisors is an integer number (3066025860).

Almost surely, 2^243103122200 is an apocalyptic number.

243103122200 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 243103122200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294338482560).

243103122200 is an abundant number, since it is smaller than the sum of its proper divisors (345573842920).

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

243103122200 is a wasteful number, since it uses less digits than its factorization.

243103122200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078 (or 1069 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 243103122200 its reverse (2221301342), we get a palindrome (245324423542).

The spelling of 243103122200 in words is "two hundred forty-three billion, one hundred three million, one hundred twenty-two thousand, two hundred".