12052132123 has 4 divisors (see below), whose sum is σ = 12232014760. Its totient is φ = 11872249488.

The previous prime is 12052132097. The next prime is 12052132129. The reversal of 12052132123 is 32123125021.

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 12052132123 - 2⁵ = 12052132091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12052132094 and 12052132103.

It is not an unprimeable number, because it can be changed into a prime (12052132129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89941218 + ... + 89941351.

It is an arithmetic number, because the mean of its divisors is an integer number (3058003690).

Almost surely, 2^12052132123 is an apocalyptic number.

12052132123 is a deficient number, since it is larger than the sum of its proper divisors (179882637).

12052132123 is an equidigital number, since it uses as much as digits as its factorization.

12052132123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179882636.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 12052132123 its reverse (32123125021), we get a palindrome (44175257144).

The spelling of 12052132123 in words is "twelve billion, fifty-two million, one hundred thirty-two thousand, one hundred twenty-three".