2001200223233 has 2 divisors, whose sum is σ = 2001200223234. Its totient is φ = 2001200223232.

The previous prime is 2001200223199. The next prime is 2001200223251. The reversal of 2001200223233 is 3323220021002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1476694027249 + 524506195984 = 1215193^2 + 724228^2 .

It is a cyclic number.

It is not a de Polignac number, because 2001200223233 - 2⁸ = 2001200222977 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2001200223433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000600111616 + 1000600111617.

It is an arithmetic number, because the mean of its divisors is an integer number (1000600111617).

Almost surely, 2^{2001200223233} is an apocalyptic number.

It is an amenable number.

2001200223233 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001200223233 is an equidigital number, since it uses as much as digits as its factorization.

2001200223233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 2001200223233 its reverse (3323220021002), we get a palindrome (5324420244235).

The spelling of 2001200223233 in words is "two trillion, one billion, two hundred million, two hundred twenty-three thousand, two hundred thirty-three".