12312342133 has 32 divisors (see below), whose sum is σ = 16169888000. Its totient is φ = 9102398976.

The previous prime is 12312342127. The next prime is 12312342149. The reversal of 12312342133 is 33124321321.

It is a cyclic number.

It is not a de Polignac number, because 12312342133 - 2⁹ = 12312341621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12312342098 and 12312342107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312342113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77443 + ... + 174991.

It is an arithmetic number, because the mean of its divisors is an integer number (505309000).

Almost surely, 2^12312342133 is an apocalyptic number.

12312342133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12312342133 is a deficient number, since it is larger than the sum of its proper divisors (3857545867).

12312342133 is a wasteful number, since it uses less digits than its factorization.

12312342133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97661.

The product of its digits is 2592, while the sum is 25.

Adding to 12312342133 its reverse (33124321321), we get a palindrome (45436663454).

The spelling of 12312342133 in words is "twelve billion, three hundred twelve million, three hundred forty-two thousand, one hundred thirty-three".