12001022020211 has 12 divisors (see below), whose sum is σ = 13965575976792. Its totient is φ = 10282756202208.

The previous prime is 12001022020193. The next prime is 12001022020219. The reversal of 12001022020211 is 11202022010021.

It is not a de Polignac number, because 12001022020211 - 2³⁴ = 11983842151027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12001022020219) 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 11 ways as a sum of consecutive naturals, for example, 45511250 + ... + 45774183.

It is an arithmetic number, because the mean of its divisors is an integer number (1163797998066).

Almost surely, 2^{12001022020211} is an apocalyptic number.

12001022020211 is a deficient number, since it is larger than the sum of its proper divisors (1964553956581).

12001022020211 is an equidigital number, since it uses as much as digits as its factorization.

12001022020211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91288130 (or 91288123 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12001022020211 its reverse (11202022010021), we get a palindrome (23203044030232).

The spelling of 12001022020211 in words is "twelve trillion, one billion, twenty-two million, twenty thousand, two hundred eleven".