12123233233 has 16 divisors (see below), whose sum is σ = 12928204800. Its totient is φ = 11335237200.

The previous prime is 12123233219. The next prime is 12123233249. The reversal of 12123233233 is 33233232121.

It is a cyclic number.

It is not a de Polignac number, because 12123233233 - 2⁵ = 12123233201 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12123233198 and 12123233207.

It is not an unprimeable number, because it can be changed into a prime (12123233203) 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 15 ways as a sum of consecutive naturals, for example, 1811788 + ... + 1818466.

It is an arithmetic number, because the mean of its divisors is an integer number (808012800).

Almost surely, 2^12123233233 is an apocalyptic number.

It is an amenable number.

12123233233 is a deficient number, since it is larger than the sum of its proper divisors (804971567).

12123233233 is a wasteful number, since it uses less digits than its factorization.

12123233233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7932.

The product of its digits is 3888, while the sum is 25.

Adding to 12123233233 its reverse (33233232121), we get a palindrome (45356465354).

The spelling of 12123233233 in words is "twelve billion, one hundred twenty-three million, two hundred thirty-three thousand, two hundred thirty-three".