12001332113201 has 4 divisors (see below), whose sum is σ = 12051130172004. Its totient is φ = 11951534054400.

The previous prime is 12001332113087. The next prime is 12001332113207. The reversal of 12001332113201 is 10231123310021.

It is a happy number.

12001332113201 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.

It can be written as a sum of positive squares in 2 ways, for example, as 7569233498176 + 4432098615025 = 2751224^2 + 2105255^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12001332113201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12001332113207) 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, 24899029040 + ... + 24899029521.

It is an arithmetic number, because the mean of its divisors is an integer number (3012782543001).

Almost surely, 2^{12001332113201} is an apocalyptic number.

It is an amenable number.

12001332113201 is a deficient number, since it is larger than the sum of its proper divisors (49798058803).

12001332113201 is an equidigital number, since it uses as much as digits as its factorization.

12001332113201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49798058802.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 12001332113201 its reverse (10231123310021), we get a palindrome (22232455423222).

The spelling of 12001332113201 in words is "twelve trillion, one billion, three hundred thirty-two million, one hundred thirteen thousand, two hundred one".