12132122001 has 4 divisors (see below), whose sum is σ = 16176162672. Its totient is φ = 8088081332.

The previous prime is 12132121999. The next prime is 12132122017. The reversal of 12132122001 is 10022123121.

12132122001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12132122001 - 2¹ = 12132121999 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12132122021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2022020331 + ... + 2022020336.

It is an arithmetic number, because the mean of its divisors is an integer number (4044040668).

Almost surely, 2^12132122001 is an apocalyptic number.

It is an amenable number.

12132122001 is a deficient number, since it is larger than the sum of its proper divisors (4044040671).

12132122001 is an equidigital number, since it uses as much as digits as its factorization.

12132122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4044040670.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12132122001 its reverse (10022123121), we get a palindrome (22154245122).

The spelling of 12132122001 in words is "twelve billion, one hundred thirty-two million, one hundred twenty-two thousand, one".