1223001221033 has 2 divisors, whose sum is σ = 1223001221034. Its totient is φ = 1223001221032.

The previous prime is 1223001221027. The next prime is 1223001221041. The reversal of 1223001221033 is 3301221003221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1222333670464 + 667550569 = 1105592^2 + 25837^2 .

It is an emirp because it is prime and its reverse (3301221003221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1223001221033 - 2²² = 1222997026729 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1223001220996 and 1223001221014.

It is not a weakly prime, because it can be changed into another prime (1223001251033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611500610516 + 611500610517.

It is an arithmetic number, because the mean of its divisors is an integer number (611500610517).

Almost surely, 2^{1223001221033} is an apocalyptic number.

It is an amenable number.

1223001221033 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223001221033 is an equidigital number, since it uses as much as digits as its factorization.

1223001221033 is an odious number, because the sum of its binary digits is odd.

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

Adding to 1223001221033 its reverse (3301221003221), we get a palindrome (4524222224254).

The spelling of 1223001221033 in words is "one trillion, two hundred twenty-three billion, one million, two hundred twenty-one thousand, thirty-three".