1200203331233 has 2 divisors, whose sum is σ = 1200203331234. Its totient is φ = 1200203331232.

The previous prime is 1200203331191. The next prime is 1200203331263. The reversal of 1200203331233 is 3321333020021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 846348480784 + 353854850449 = 919972^2 + 594857^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200203331233 - 2²⁸ = 1199934895777 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1200203331199 and 1200203331208.

It is not a weakly prime, because it can be changed into another prime (1200203331263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600101665616 + 600101665617.

It is an arithmetic number, because the mean of its divisors is an integer number (600101665617).

Almost surely, 2^{1200203331233} is an apocalyptic number.

It is an amenable number.

1200203331233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200203331233 is an equidigital number, since it uses as much as digits as its factorization.

1200203331233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 1200203331233 its reverse (3321333020021), we get a palindrome (4521536351254).

The spelling of 1200203331233 in words is "one trillion, two hundred billion, two hundred three million, three hundred thirty-one thousand, two hundred thirty-three".