201200120012200 has 24 divisors (see below), whose sum is σ = 467790279028830. Its totient is φ = 80480048004800.

The previous prime is 201200120012191. The next prime is 201200120012231. The reversal of 201200120012200 is 2210021002102.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 181904078301124 + 19296041711076 = 13487182^2 + 4392726^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 503000299831 + ... + 503000300230.

Almost surely, 2^{201200120012200} is an apocalyptic number.

201200120012200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201200120012200 is an abundant number, since it is smaller than the sum of its proper divisors (266590159016630).

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

201200120012200 is a wasteful number, since it uses less digits than its factorization.

201200120012200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006000600077 (or 1006000600068 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 201200120012200 its reverse (2210021002102), we get a palindrome (203410141014302).

The spelling of 201200120012200 in words is "two hundred one trillion, two hundred billion, one hundred twenty million, twelve thousand, two hundred".