12132132123 has 4 divisors (see below), whose sum is σ = 16176176168. Its totient is φ = 8088088080.

The previous prime is 12132132121. The next prime is 12132132151. The reversal of 12132132123 is 32123123121.

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

It is not a de Polignac number, because 12132132123 - 2¹ = 12132132121 is a prime.

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 12132132123.

It is not an unprimeable number, because it can be changed into a prime (12132132121) 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, 2022022018 + ... + 2022022023.

It is an arithmetic number, because the mean of its divisors is an integer number (4044044042).

Almost surely, 2^12132132123 is an apocalyptic number.

12132132123 is a deficient number, since it is larger than the sum of its proper divisors (4044044045).

12132132123 is an equidigital number, since it uses as much as digits as its factorization.

12132132123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4044044044.

The product of its digits is 432, while the sum is 21.

Adding to 12132132123 its reverse (32123123121), we get a palindrome (44255255244).

The spelling of 12132132123 in words is "twelve billion, one hundred thirty-two million, one hundred thirty-two thousand, one hundred twenty-three".