12002031003123 has 36 divisors (see below), whose sum is σ = 20175294236448. Its totient is φ = 6855373193760.

The previous prime is 12002031003107. The next prime is 12002031003163. The reversal of 12002031003123 is 32130013020021.

12002031003123 is a `hidden beast` number, since 1 + 20 + 0 + 20 + 310 + 0 + 312 + 3 = 666.

It is not a de Polignac number, because 12002031003123 - 2⁴ = 12002031003107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12002031003096 and 12002031003105.

It is not an unprimeable number, because it can be changed into a prime (12002031003163) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4780411 + ... + 6845172.

Almost surely, 2^{12002031003123} is an apocalyptic number.

12002031003123 is a deficient number, since it is larger than the sum of its proper divisors (8173263233325).

12002031003123 is a wasteful number, since it uses less digits than its factorization.

12002031003123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11627944 (or 11627934 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12002031003123 its reverse (32130013020021), we get a palindrome (44132044023144).

The spelling of 12002031003123 in words is "twelve trillion, two billion, thirty-one million, three thousand, one hundred twenty-three".