2001312200603 has 2 divisors, whose sum is σ = 2001312200604. Its totient is φ = 2001312200602.

The previous prime is 2001312200533. The next prime is 2001312200623. The reversal of 2001312200603 is 3060022131002.

It is a happy number.

It is an a-pointer prime, because the next prime (2001312200623) can be obtained adding 2001312200603 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2001312200603 - 2¹⁴ = 2001312184219 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2001312200623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000656100301 + 1000656100302.

It is an arithmetic number, because the mean of its divisors is an integer number (1000656100302).

Almost surely, 2^{2001312200603} is an apocalyptic number.

2001312200603 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001312200603 is an equidigital number, since it uses as much as digits as its factorization.

2001312200603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2001312200603 its reverse (3060022131002), we get a palindrome (5061334331605).

The spelling of 2001312200603 in words is "two trillion, one billion, three hundred twelve million, two hundred thousand, six hundred three".