12001001010211 has 4 divisors (see below), whose sum is σ = 12145591383912. Its totient is φ = 11856410636512.

The previous prime is 12001001010149. The next prime is 12001001010227. The reversal of 12001001010211 is 11201010010021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12001001010211 - 2¹³ = 12001001002019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12001001010311) 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, 72295186726 + ... + 72295186891.

It is an arithmetic number, because the mean of its divisors is an integer number (3036397845978).

Almost surely, 2^{12001001010211} is an apocalyptic number.

12001001010211 is a deficient number, since it is larger than the sum of its proper divisors (144590373701).

12001001010211 is an equidigital number, since it uses as much as digits as its factorization.

12001001010211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144590373700.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 12001001010211 its reverse (11201010010021), we get a palindrome (23202011020232).

The spelling of 12001001010211 in words is "twelve trillion, one billion, one million, ten thousand, two hundred eleven".