200120011211200 has 672 divisors, whose sum is σ = 521431801228800. Its totient is φ = 75512414208000.

The previous prime is 200120011211173. The next prime is 200120011211213. The reversal of 200120011211200 is 2112110021002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 211319969127 + ... + 211319970073.

It is an arithmetic number, because the mean of its divisors is an integer number (775940180400).

Almost surely, 2^{200120011211200} is an apocalyptic number.

200120011211200 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 200120011211200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260715900614400).

200120011211200 is an abundant number, since it is smaller than the sum of its proper divisors (321311790017600).

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

200120011211200 is a wasteful number, since it uses less digits than its factorization.

200120011211200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1909 (or 1894 counting only the distinct ones).

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

Adding to 200120011211200 its reverse (2112110021002), we get a palindrome (202232121232202).

The spelling of 200120011211200 in words is "two hundred trillion, one hundred twenty billion, eleven million, two hundred eleven thousand, two hundred".