12010323123 has 24 divisors (see below), whose sum is σ = 17645964336. Its totient is φ = 7869672000.

The previous prime is 12010323121. The next prime is 12010323131. The reversal of 12010323123 is 32132301021.

It is not a de Polignac number, because 12010323123 - 2¹ = 12010323121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12010323096 and 12010323105.

It is not an unprimeable number, because it can be changed into a prime (12010323121) 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 23 ways as a sum of consecutive naturals, for example, 789061 + ... + 804137.

It is an arithmetic number, because the mean of its divisors is an integer number (735248514).

Almost surely, 2^12010323123 is an apocalyptic number.

12010323123 is a deficient number, since it is larger than the sum of its proper divisors (5635641213).

12010323123 is a wasteful number, since it uses less digits than its factorization.

12010323123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16595 (or 16592 counting only the distinct ones).

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

Adding to 12010323123 its reverse (32132301021), we get a palindrome (44142624144).

The spelling of 12010323123 in words is "twelve billion, ten million, three hundred twenty-three thousand, one hundred twenty-three".