12201201020018 has 16 divisors (see below), whose sum is σ = 18897983023104. Its totient is φ = 5901994195680.

The previous prime is 12201201020017. The next prime is 12201201020039. The reversal of 12201201020018 is 81002010210221.

It is not an unprimeable number, because it can be changed into a prime (12201201020011) 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 7 ways as a sum of consecutive naturals, for example, 30008930 + ... + 30412797.

It is an arithmetic number, because the mean of its divisors is an integer number (1181123938944).

Almost surely, 2^{12201201020018} is an apocalyptic number.

12201201020018 is a deficient number, since it is larger than the sum of its proper divisors (6696782003086).

12201201020018 is a wasteful number, since it uses less digits than its factorization.

12201201020018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60425017.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 12201201020018 its reverse (81002010210221), we get a palindrome (93203211230239).

The spelling of 12201201020018 in words is "twelve trillion, two hundred one billion, two hundred one million, twenty thousand, eighteen".