12331331233 has 24 divisors (see below), whose sum is σ = 13455858240. Its totient is φ = 11295385920.

The previous prime is 12331331209. The next prime is 12331331261. The reversal of 12331331233 is 33213313321.

It is not a de Polignac number, because 12331331233 - 2⁹ = 12331330721 is a prime.

It is a super-2 number, since 2×12331331233² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12331331198 and 12331331207.

It is not an unprimeable number, because it can be changed into a prime (12331331273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18711858 + ... + 18712516.

It is an arithmetic number, because the mean of its divisors is an integer number (560660760).

Almost surely, 2^12331331233 is an apocalyptic number.

12331331233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12331331233 is a deficient number, since it is larger than the sum of its proper divisors (1124527007).

12331331233 is a wasteful number, since it uses less digits than its factorization.

12331331233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369 (or 1356 counting only the distinct ones).

The product of its digits is 2916, while the sum is 25.

Adding to 12331331233 its reverse (33213313321), we get a palindrome (45544644554).

The spelling of 12331331233 in words is "twelve billion, three hundred thirty-one million, three hundred thirty-one thousand, two hundred thirty-three".