12001202002001 has 4 divisors (see below), whose sum is σ = 12034631534400. Its totient is φ = 11967772469604.

The previous prime is 12001202001983. The next prime is 12001202002037. The reversal of 12001202002001 is 10020020210021.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-12001202002001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12001202002081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16714765661 + ... + 16714766378.

It is an arithmetic number, because the mean of its divisors is an integer number (3008657883600).

Almost surely, 2^{12001202002001} is an apocalyptic number.

It is an amenable number.

12001202002001 is a deficient number, since it is larger than the sum of its proper divisors (33429532399).

12001202002001 is an equidigital number, since it uses as much as digits as its factorization.

12001202002001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33429532398.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12001202002001 its reverse (10020020210021), we get a palindrome (22021222212022).

The spelling of 12001202002001 in words is "twelve trillion, one billion, two hundred two million, two thousand, one".