12300032031123 has 4 divisors (see below), whose sum is σ = 16400042708168. Its totient is φ = 8200021354080.

The previous prime is 12300032031107. The next prime is 12300032031137. The reversal of 12300032031123 is 32113023000321.

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

It is not a de Polignac number, because 12300032031123 - 2⁴ = 12300032031107 is a prime.

It is a super-2 number, since 2×12300032031123² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12300032031123.

It is not an unprimeable number, because it can be changed into a prime (12300032031323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2050005338518 + ... + 2050005338523.

It is an arithmetic number, because the mean of its divisors is an integer number (4100010677042).

Almost surely, 2^{12300032031123} is an apocalyptic number.

12300032031123 is a deficient number, since it is larger than the sum of its proper divisors (4100010677045).

12300032031123 is an equidigital number, since it uses as much as digits as its factorization.

12300032031123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4100010677044.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12300032031123 its reverse (32113023000321), we get a palindrome (44413055031444).

The spelling of 12300032031123 in words is "twelve trillion, three hundred billion, thirty-two million, thirty-one thousand, one hundred twenty-three".