20012101200200 has 48 divisors (see below), whose sum is σ = 46532839231860. Its totient is φ = 8004031200000.

The previous prime is 20012101200151. The next prime is 20012101200209. The reversal of 20012101200200 is 200210121002.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 15859366393924 + 4152734806276 = 3982382^2 + 2037826^2 .

It is not an unprimeable number, because it can be changed into a prime (20012101200209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3072851 + ... + 7033250.

Almost surely, 2^{20012101200200} is an apocalyptic number.

20012101200200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20012101200200 is an abundant number, since it is smaller than the sum of its proper divisors (26520738031660).

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

20012101200200 is a wasteful number, since it uses less digits than its factorization.

20012101200200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10116018 (or 10116009 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20012101200200 its reverse (200210121002), we get a palindrome (20212311321202).

The spelling of 20012101200200 in words is "twenty trillion, twelve billion, one hundred one million, two hundred thousand, two hundred".