1233321122213 has 4 divisors (see below), whose sum is σ = 1236019855980. Its totient is φ = 1230622388448.

The previous prime is 1233321122183. The next prime is 1233321122251. The reversal of 1233321122213 is 3122211233321.

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 1174236638884 + 59084483329 = 1083622^2 + 243073^2 .

It is a cyclic number.

It is not a de Polignac number, because 1233321122213 - 2²⁴ = 1233304344997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233321112213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1349366198 + ... + 1349367111.

It is an arithmetic number, because the mean of its divisors is an integer number (309004963995).

Almost surely, 2^{1233321122213} is an apocalyptic number.

It is an amenable number.

1233321122213 is a deficient number, since it is larger than the sum of its proper divisors (2698733767).

1233321122213 is an equidigital number, since it uses as much as digits as its factorization.

1233321122213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2698733766.

The product of its digits is 2592, while the sum is 26.

Adding to 1233321122213 its reverse (3122211233321), we get a palindrome (4355532355534).

The spelling of 1233321122213 in words is "one trillion, two hundred thirty-three billion, three hundred twenty-one million, one hundred twenty-two thousand, two hundred thirteen".