12321301123 has 16 divisors (see below), whose sum is σ = 13427890560. Its totient is φ = 11261952000.

The previous prime is 12321301093. The next prime is 12321301151. The reversal of 12321301123 is 32110312321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12321301123 is a prime.

It is a super-2 number, since 2×12321301123² (a number of 21 digits) contains 22 as substring.

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 12321301123.

It is not an unprimeable number, because it can be changed into a prime (12321301823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6723 + ... + 157123.

It is an arithmetic number, because the mean of its divisors is an integer number (839243160).

Almost surely, 2^12321301123 is an apocalyptic number.

12321301123 is a deficient number, since it is larger than the sum of its proper divisors (1106589437).

12321301123 is a wasteful number, since it uses less digits than its factorization.

12321301123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150558.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12321301123 its reverse (32110312321), we get a palindrome (44431613444).

The spelling of 12321301123 in words is "twelve billion, three hundred twenty-one million, three hundred one thousand, one hundred twenty-three".