12012000220001 has 4 divisors (see below), whose sum is σ = 12026811565104. Its totient is φ = 11997188874900.

The previous prime is 12012000219997. The next prime is 12012000220021. The reversal of 12012000220001 is 10002200021021.

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 not a de Polignac number, because 12012000220001 - 2² = 12012000219997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12012000220021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7405671335 + ... + 7405672956.

It is an arithmetic number, because the mean of its divisors is an integer number (3006702891276).

Almost surely, 2^{12012000220001} is an apocalyptic number.

It is an amenable number.

12012000220001 is a deficient number, since it is larger than the sum of its proper divisors (14811345103).

12012000220001 is an equidigital number, since it uses as much as digits as its factorization.

12012000220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14811345102.

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

Adding to 12012000220001 its reverse (10002200021021), we get a palindrome (22014200241022).

The spelling of 12012000220001 in words is "twelve trillion, twelve billion, two hundred twenty thousand, one".