204243103111200 has 288 divisors, whose sum is σ = 672053940169920. Its totient is φ = 53873175859200.

The previous prime is 204243103111199. The next prime is 204243103111241. The reversal of 204243103111200 is 2111301342402.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 152894170 + ... + 154224230.

It is an arithmetic number, because the mean of its divisors is an integer number (2333520625590).

Almost surely, 2^{204243103111200} is an apocalyptic number.

204243103111200 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 204243103111200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (336026970084960).

204243103111200 is an abundant number, since it is smaller than the sum of its proper divisors (467810837058720).

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

204243103111200 is a wasteful number, since it uses less digits than its factorization.

204243103111200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330780 (or 1330767 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 204243103111200 its reverse (2111301342402), we get a palindrome (206354404453602).

The spelling of 204243103111200 in words is "two hundred four trillion, two hundred forty-three billion, one hundred three million, one hundred eleven thousand, two hundred".