12432120001 has 4 divisors (see below), whose sum is σ = 14208137152. Its totient is φ = 10656102852.

The previous prime is 12432119989. The next prime is 12432120007. The reversal of 12432120001 is 10002123421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12432120001 - 2⁵ = 12432119969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12432120007) 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 3 ways as a sum of consecutive naturals, for example, 888008565 + ... + 888008578.

It is an arithmetic number, because the mean of its divisors is an integer number (3552034288).

Almost surely, 2^12432120001 is an apocalyptic number.

It is an amenable number.

12432120001 is a deficient number, since it is larger than the sum of its proper divisors (1776017151).

12432120001 is an equidigital number, since it uses as much as digits as its factorization.

12432120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1776017150.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12432120001 its reverse (10002123421), we get a palindrome (22434243422).

The spelling of 12432120001 in words is "twelve billion, four hundred thirty-two million, one hundred twenty thousand, one".