13121334233 has 4 divisors (see below), whose sum is σ = 14995810560. Its totient is φ = 11246857908.

The previous prime is 13121334227. The next prime is 13121334253. The reversal of 13121334233 is 33243312131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13121334233 - 2⁸ = 13121333977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13121334253) 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 in 3 ways as a sum of consecutive naturals, for example, 937238153 + ... + 937238166.

It is an arithmetic number, because the mean of its divisors is an integer number (3748952640).

Almost surely, 2^13121334233 is an apocalyptic number.

It is an amenable number.

13121334233 is a deficient number, since it is larger than the sum of its proper divisors (1874476327).

13121334233 is an equidigital number, since it uses as much as digits as its factorization.

13121334233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1874476326.

The product of its digits is 3888, while the sum is 26.

Adding to 13121334233 its reverse (33243312131), we get a palindrome (46364646364).

The spelling of 13121334233 in words is "thirteen billion, one hundred twenty-one million, three hundred thirty-four thousand, two hundred thirty-three".