2001312200203 has 16 divisors (see below), whose sum is σ = 2042696335680. Its totient is φ = 1960064510976.

The previous prime is 2001312200161. The next prime is 2001312200231. The reversal of 2001312200203 is 3020022131002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2001312200203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001312200603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111615343 + ... + 111633271.

It is an arithmetic number, because the mean of its divisors is an integer number (127668520980).

Almost surely, 2^{2001312200203} is an apocalyptic number.

2001312200203 is a deficient number, since it is larger than the sum of its proper divisors (41384135477).

2001312200203 is a wasteful number, since it uses less digits than its factorization.

2001312200203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21606.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 2001312200203 its reverse (3020022131002), we get a palindrome (5021334331205).

The spelling of 2001312200203 in words is "two trillion, one billion, three hundred twelve million, two hundred thousand, two hundred three".