12001232012001 has 4 divisors (see below), whose sum is σ = 16001642682672. Its totient is φ = 8000821341332.

The previous prime is 12001232011963. The next prime is 12001232012041. The reversal of 12001232012001 is 10021023210021.

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 12001232012001 - 2²³ = 12001223623393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12001232012041) 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, 2000205335331 + ... + 2000205335336.

It is an arithmetic number, because the mean of its divisors is an integer number (4000410670668).

Almost surely, 2^{12001232012001} is an apocalyptic number.

It is an amenable number.

12001232012001 is a deficient number, since it is larger than the sum of its proper divisors (4000410670671).

12001232012001 is an equidigital number, since it uses as much as digits as its factorization.

12001232012001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4000410670670.

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

Adding to 12001232012001 its reverse (10021023210021), we get a palindrome (22022255222022).

The spelling of 12001232012001 in words is "twelve trillion, one billion, two hundred thirty-two million, twelve thousand, one".