12105203500200 has 96 divisors (see below), whose sum is σ = 37536255338400. Its totient is φ = 3227183343360.

The previous prime is 12105203500199. The next prime is 12105203500211. The reversal of 12105203500200 is 200530250121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 494382 + ... + 4945181.

It is an arithmetic number, because the mean of its divisors is an integer number (391002659775).

Almost surely, 2^{12105203500200} is an apocalyptic number.

12105203500200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12105203500200 is an abundant number, since it is smaller than the sum of its proper divisors (25431051838200).

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

12105203500200 is a wasteful number, since it uses less digits than its factorization.

12105203500200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5443291 (or 5443282 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

Adding to 12105203500200 its reverse (200530250121), we get a palindrome (12305733750321).

The spelling of 12105203500200 in words is "twelve trillion, one hundred five billion, two hundred three million, five hundred thousand, two hundred".