12035042123 has 12 divisors (see below), whose sum is σ = 13598642160. Its totient is φ = 10626254496.

The previous prime is 12035042119. The next prime is 12035042141. The reversal of 12035042123 is 32124053021.

12035042123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12035042123 - 2² = 12035042119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12035042023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1544228 + ... + 1552001.

It is an arithmetic number, because the mean of its divisors is an integer number (1133220180).

Almost surely, 2^12035042123 is an apocalyptic number.

12035042123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12035042123 is a deficient number, since it is larger than the sum of its proper divisors (1563600037).

12035042123 is a wasteful number, since it uses less digits than its factorization.

12035042123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3096278 (or 3096265 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 12035042123 its reverse (32124053021), we get a palindrome (44159095144).

The spelling of 12035042123 in words is "twelve billion, thirty-five million, forty-two thousand, one hundred twenty-three".