12033123123 has 8 divisors (see below), whose sum is σ = 18336187648. Its totient is φ = 6876070344.

The previous prime is 12033123041. The next prime is 12033123173. The reversal of 12033123123 is 32132133021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12033123123 - 2⁸ = 12033122867 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 573005863 = 12033123123 / (1 + 2 + 0 + 3 + 3 + 1 + 2 + 3 + 1 + 2 + 3).

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 12033123123.

It is not an unprimeable number, because it can be changed into a prime (12033123173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286502911 + ... + 286502952.

It is an arithmetic number, because the mean of its divisors is an integer number (2292023456).

Almost surely, 2^12033123123 is an apocalyptic number.

12033123123 is a deficient number, since it is larger than the sum of its proper divisors (6303064525).

12033123123 is an equidigital number, since it uses as much as digits as its factorization.

12033123123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573005873.

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

Adding to 12033123123 its reverse (32132133021), we get a palindrome (44165256144).

The spelling of 12033123123 in words is "twelve billion, thirty-three million, one hundred twenty-three thousand, one hundred twenty-three".