2001200301 has 12 divisors (see below), whose sum is σ = 2925450528. Its totient is φ = 1318059144.

The previous prime is 2001200239. The next prime is 2001200323. The reversal of 2001200301 is 1030021002.

It is a happy number.

It is not a de Polignac number, because 2001200301 - 2¹⁸ = 2000938157 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001200371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1338745 + ... + 1340238.

It is an arithmetic number, because the mean of its divisors is an integer number (243787544).

Almost surely, 2^2001200301 is an apocalyptic number.

It is an amenable number.

2001200301 is a deficient number, since it is larger than the sum of its proper divisors (924250227).

2001200301 is a wasteful number, since it uses less digits than its factorization.

2001200301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2679072 (or 2679069 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 2001200301 is about 44734.7773102762. Note that the first 3 decimals coincide. The cubic root of 2001200301 is about 1260.1730469056.

Adding to 2001200301 its reverse (1030021002), we get a palindrome (3031221303).

The spelling of 2001200301 in words is "two billion, one million, two hundred thousand, three hundred one".