12331253945 has 4 divisors (see below), whose sum is σ = 14797504740. Its totient is φ = 9865003152.

The previous prime is 12331253927. The next prime is 12331253999. The reversal of 12331253945 is 54935213321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6892486441 + 5438767504 = 83021^2 + 73748^2 .

It is a cyclic number.

It is not a de Polignac number, because 12331253945 - 2⁶ = 12331253881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12331253899 and 12331253908.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1233125390 + ... + 1233125399.

It is an arithmetic number, because the mean of its divisors is an integer number (3699376185).

Almost surely, 2^12331253945 is an apocalyptic number.

It is an amenable number.

12331253945 is a deficient number, since it is larger than the sum of its proper divisors (2466250795).

12331253945 is an equidigital number, since it uses as much as digits as its factorization.

12331253945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2466250794.

The product of its digits is 97200, while the sum is 38.

The spelling of 12331253945 in words is "twelve billion, three hundred thirty-one million, two hundred fifty-three thousand, nine hundred forty-five".