1201203221233 has 4 divisors (see below), whose sum is σ = 1208146592628. Its totient is φ = 1194259849840.

The previous prime is 1201203221209. The next prime is 1201203221327. The reversal of 1201203221233 is 3321223021021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1147015296144 + 54187925089 = 1070988^2 + 232783^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1201203221233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201203221633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3471685438 + ... + 3471685783.

It is an arithmetic number, because the mean of its divisors is an integer number (302036648157).

Almost surely, 2^{1201203221233} is an apocalyptic number.

It is an amenable number.

1201203221233 is a deficient number, since it is larger than the sum of its proper divisors (6943371395).

1201203221233 is an equidigital number, since it uses as much as digits as its factorization.

1201203221233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6943371394.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1201203221233 its reverse (3321223021021), we get a palindrome (4522426242254).

The spelling of 1201203221233 in words is "one trillion, two hundred one billion, two hundred three million, two hundred twenty-one thousand, two hundred thirty-three".