12100320232123 has 4 divisors (see below), whose sum is σ = 12100363455888. Its totient is φ = 12100277008360.

The previous prime is 12100320232109. The next prime is 12100320232151. The reversal of 12100320232123 is 32123202300121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12100320232123 - 2¹³ = 12100320223931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12100320232094 and 12100320232103.

It is not an unprimeable number, because it can be changed into a prime (12100320232183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21189208 + ... + 21752773.

It is an arithmetic number, because the mean of its divisors is an integer number (3025090863972).

Almost surely, 2^{12100320232123} is an apocalyptic number.

12100320232123 is a deficient number, since it is larger than the sum of its proper divisors (43223765).

12100320232123 is an equidigital number, since it uses as much as digits as its factorization.

12100320232123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43223764.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 12100320232123 its reverse (32123202300121), we get a palindrome (44223522532244).

The spelling of 12100320232123 in words is "twelve trillion, one hundred billion, three hundred twenty million, two hundred thirty-two thousand, one hundred twenty-three".