12031013010123 has 64 divisors (see below), whose sum is σ = 17934394982400. Its totient is φ = 7971069060000.

The previous prime is 12031013010113. The next prime is 12031013010131. The reversal of 12031013010123 is 32101031013021.

12031013010123 is a `hidden beast` number, since 120 + 310 + 130 + 101 + 2 + 3 = 666.

It is not a de Polignac number, because 12031013010123 - 2⁶ = 12031013010059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12031013010096 and 12031013010105.

It is not an unprimeable number, because it can be changed into a prime (12031013010113) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5982601188 + ... + 5982603198.

It is an arithmetic number, because the mean of its divisors is an integer number (280224921600).

Almost surely, 2^{12031013010123} is an apocalyptic number.

12031013010123 is a deficient number, since it is larger than the sum of its proper divisors (5903381972277).

12031013010123 is a wasteful number, since it uses less digits than its factorization.

12031013010123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4101 (or 4095 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 12031013010123 its reverse (32101031013021), we get a palindrome (44132044023144).

The spelling of 12031013010123 in words is "twelve trillion, thirty-one billion, thirteen million, ten thousand, one hundred twenty-three".