13233120121303 has 4 divisors (see below), whose sum is σ = 13248633744808. Its totient is φ = 13217606497800.

The previous prime is 13233120121297. The next prime is 13233120121321. The reversal of 13233120121303 is 30312102133231.

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

It is a cyclic number.

It is not a de Polignac number, because 13233120121303 - 2⁹ = 13233120120791 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 (13233120101303) 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, 7756810473 + ... + 7756812178.

It is an arithmetic number, because the mean of its divisors is an integer number (3312158436202).

Almost surely, 2^{13233120121303} is an apocalyptic number.

13233120121303 is a deficient number, since it is larger than the sum of its proper divisors (15513623505).

13233120121303 is an equidigital number, since it uses as much as digits as its factorization.

13233120121303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15513623504.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 13233120121303 its reverse (30312102133231), we get a palindrome (43545222254534).

The spelling of 13233120121303 in words is "thirteen trillion, two hundred thirty-three billion, one hundred twenty million, one hundred twenty-one thousand, three hundred three".