12000120102001 has 4 divisors (see below), whose sum is σ = 12000398783472. Its totient is φ = 11999841420532.

The previous prime is 12000120101999. The next prime is 12000120102077. The reversal of 12000120102001 is 10020102100021.

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 12000120102001 - 2¹ = 12000120101999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12000120202001) 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, 139276135 + ... + 139362268.

It is an arithmetic number, because the mean of its divisors is an integer number (3000099695868).

Almost surely, 2^{12000120102001} is an apocalyptic number.

It is an amenable number.

12000120102001 is a deficient number, since it is larger than the sum of its proper divisors (278681471).

12000120102001 is an equidigital number, since it uses as much as digits as its factorization.

12000120102001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278681470.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12000120102001 its reverse (10020102100021), we get a palindrome (22020222202022).

The spelling of 12000120102001 in words is "twelve trillion, one hundred twenty million, one hundred two thousand, one".