12002031210123 has 8 divisors (see below), whose sum is σ = 17780786978000. Its totient is φ = 8001354140064.

The previous prime is 12002031210119. The next prime is 12002031210151. The reversal of 12002031210123 is 32101213020021.

12002031210123 is a `hidden beast` number, since 1 + 200 + 20 + 312 + 10 + 123 = 666.

It is not a de Polignac number, because 12002031210123 - 2² = 12002031210119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12002031210096 and 12002031210105.

It is not an unprimeable number, because it can be changed into a prime (12002031210223) 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 7 ways as a sum of consecutive naturals, for example, 222259837198 + ... + 222259837251.

It is an arithmetic number, because the mean of its divisors is an integer number (2222598372250).

Almost surely, 2^{12002031210123} is an apocalyptic number.

12002031210123 is a deficient number, since it is larger than the sum of its proper divisors (5778755767877).

12002031210123 is an equidigital number, since it uses as much as digits as its factorization.

12002031210123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444519674458 (or 444519674452 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12002031210123 its reverse (32101213020021), we get a palindrome (44103244230144).

The spelling of 12002031210123 in words is "twelve trillion, two billion, thirty-one million, two hundred ten thousand, one hundred twenty-three".