12002002011001 has 4 divisors (see below), whose sum is σ = 12108214418292. Its totient is φ = 11895789603712.

The previous prime is 12002002010987. The next prime is 12002002011023. The reversal of 12002002011001 is 10011020020021.

12002002011001 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 723688788601 + 11278313222400 = 850699^2 + 3358320^2 .

It is a cyclic number.

It is not a de Polignac number, because 12002002011001 - 2⁵ = 12002002010969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12002002011091) 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, 53106203476 + ... + 53106203701.

It is an arithmetic number, because the mean of its divisors is an integer number (3027053604573).

Almost surely, 2^{12002002011001} is an apocalyptic number.

It is an amenable number.

12002002011001 is a deficient number, since it is larger than the sum of its proper divisors (106212407291).

12002002011001 is a wasteful number, since it uses less digits than its factorization.

12002002011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106212407290.

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

Adding to 12002002011001 its reverse (10011020020021), we get a palindrome (22013022031022).

The spelling of 12002002011001 in words is "twelve trillion, two billion, two million, eleven thousand, one".