12303312132123 has 12 divisors (see below), whose sum is σ = 18384259508160. Its totient is φ = 7919373326256.

The previous prime is 12303312132119. The next prime is 12303312132193. The reversal of 12303312132123 is 32123121330321.

12303312132123 is a `hidden beast` number, since 1 + 2 + 3 + 0 + 3 + 312 + 1 + 321 + 23 = 666.

It is not a de Polignac number, because 12303312132123 - 2² = 12303312132119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12303312132103) 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 11 ways as a sum of consecutive naturals, for example, 23569563211 + ... + 23569563732.

It is an arithmetic number, because the mean of its divisors is an integer number (1532021625680).

Almost surely, 2^{12303312132123} is an apocalyptic number.

12303312132123 is a deficient number, since it is larger than the sum of its proper divisors (6080947376037).

12303312132123 is a wasteful number, since it uses less digits than its factorization.

12303312132123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47139126978 (or 47139126975 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 12303312132123 its reverse (32123121330321), we get a palindrome (44426433462444).

The spelling of 12303312132123 in words is "twelve trillion, three hundred three billion, three hundred twelve million, one hundred thirty-two thousand, one hundred twenty-three".