201200011121200 has 120 divisors (see below), whose sum is σ = 594932956069088. Its totient is φ = 63676487024640.

The previous prime is 201200011121191. The next prime is 201200011121243. The reversal of 201200011121200 is 2121110002102.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2763700017 + ... + 2763772816.

Almost surely, 2^{201200011121200} is an apocalyptic number.

201200011121200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201200011121200 is an abundant number, since it is smaller than the sum of its proper divisors (393732944947888).

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

201200011121200 is a wasteful number, since it uses less digits than its factorization.

201200011121200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5527472871 (or 5527472860 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 201200011121200 its reverse (2121110002102), we get a palindrome (203321121123302).

The spelling of 201200011121200 in words is "two hundred one trillion, two hundred billion, eleven million, one hundred twenty-one thousand, two hundred".