12001000120211 has 16 divisors (see below), whose sum is σ = 12087646905600. Its totient is φ = 11914583282208.

The previous prime is 12001000120141. The next prime is 12001000120259. The reversal of 12001000120211 is 11202100010021.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12001000120211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12001000120192 and 12001000120201.

It is not an unprimeable number, because it can be changed into a prime (12001000120511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391700585 + ... + 391731221.

It is an arithmetic number, because the mean of its divisors is an integer number (755477931600).

Almost surely, 2^{12001000120211} is an apocalyptic number.

12001000120211 is a deficient number, since it is larger than the sum of its proper divisors (86646785389).

12001000120211 is a wasteful number, since it uses less digits than its factorization.

12001000120211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34298.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12001000120211 its reverse (11202100010021), we get a palindrome (23203100130232).

The spelling of 12001000120211 in words is "twelve trillion, one billion, one hundred twenty thousand, two hundred eleven".