12103123013 has 8 divisors (see below), whose sum is σ = 12495000576. Its totient is φ = 11711336400.

The previous prime is 12103122971. The next prime is 12103123051. The reversal of 12103123013 is 31032130121.

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

It is a cyclic number.

It is not a de Polignac number, because 12103123013 - 2¹² = 12103118917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12103122982 and 12103123000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12103123073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339623 + ... + 373563.

It is an arithmetic number, because the mean of its divisors is an integer number (1561875072).

Almost surely, 2^12103123013 is an apocalyptic number.

It is an amenable number.

12103123013 is a deficient number, since it is larger than the sum of its proper divisors (391877563).

12103123013 is a wasteful number, since it uses less digits than its factorization.

12103123013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45475.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 12103123013 its reverse (31032130121), we get a palindrome (43135253134).

The spelling of 12103123013 in words is "twelve billion, one hundred three million, one hundred twenty-three thousand, thirteen".