13121113233 has 8 divisors (see below), whose sum is σ = 18415597600. Its totient is φ = 8287018848.

The previous prime is 13121113231. The next prime is 13121113241. The reversal of 13121113233 is 33231112131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13121113233 - 2¹ = 13121113231 is a prime.

It is a super-2 number, since 2×13121113233² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13121113231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115097428 + ... + 115097541.

It is an arithmetic number, because the mean of its divisors is an integer number (2301949700).

Almost surely, 2^13121113233 is an apocalyptic number.

It is an amenable number.

13121113233 is a deficient number, since it is larger than the sum of its proper divisors (5294484367).

13121113233 is a wasteful number, since it uses less digits than its factorization.

13121113233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230194991.

The product of its digits is 324, while the sum is 21.

Adding to 13121113233 its reverse (33231112131), we get a palindrome (46352225364).

The spelling of 13121113233 in words is "thirteen billion, one hundred twenty-one million, one hundred thirteen thousand, two hundred thirty-three".