12321130031123 has 8 divisors (see below), whose sum is σ = 12858580980000. Its totient is φ = 11783824885888.

The previous prime is 12321130031071. The next prime is 12321130031137. The reversal of 12321130031123 is 32113003112321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12321130031123 - 2³⁴ = 12303950161939 is a prime.

It is a super-2 number, since 2×12321130031123² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12321130031323) 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 7 ways as a sum of consecutive naturals, for example, 36278198 + ... + 36616251.

It is an arithmetic number, because the mean of its divisors is an integer number (1607322622500).

Almost surely, 2^{12321130031123} is an apocalyptic number.

12321130031123 is a deficient number, since it is larger than the sum of its proper divisors (537450948877).

12321130031123 is an equidigital number, since it uses as much as digits as its factorization.

12321130031123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72901821.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 12321130031123 its reverse (32113003112321), we get a palindrome (44434133143444).

The spelling of 12321130031123 in words is "twelve trillion, three hundred twenty-one billion, one hundred thirty million, thirty-one thousand, one hundred twenty-three".