200120002001200 has 120 divisors (see below), whose sum is σ = 509171809297968. Its totient is φ = 75324223242240.

The previous prime is 200120002001177. The next prime is 200120002001203. The reversal of 200120002001200 is 2100200021002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (200120002001203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31079224 + ... + 36961576.

Almost surely, 2^{200120002001200} is an apocalyptic number.

200120002001200 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 200120002001200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254585904648984).

200120002001200 is an abundant number, since it is smaller than the sum of its proper divisors (309051807296768).

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

200120002001200 is a wasteful number, since it uses less digits than its factorization.

200120002001200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5887391 (or 5887380 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 200120002001200 its reverse (2100200021002), we get a palindrome (202220202022202).

The spelling of 200120002001200 in words is "two hundred trillion, one hundred twenty billion, two million, one thousand, two hundred".