12001101011211 has 24 divisors (see below), whose sum is σ = 17403364123200. Its totient is φ = 7352758529376.

The previous prime is 12001101011183. The next prime is 12001101011407. The reversal of 12001101011211 is 11211010110021.

It is not a de Polignac number, because 12001101011211 - 2²⁵ = 12001067456779 is a prime.

It is a super-4 number, since 4×12001101011211⁴ (a number of 53 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (12001101061211) 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 23 ways as a sum of consecutive naturals, for example, 52023261 + ... + 52253438.

It is an arithmetic number, because the mean of its divisors is an integer number (725140171800).

Almost surely, 2^{12001101011211} is an apocalyptic number.

12001101011211 is a deficient number, since it is larger than the sum of its proper divisors (5402263111989).

12001101011211 is a wasteful number, since it uses less digits than its factorization.

12001101011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104276955 (or 104276942 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 12001101011211 its reverse (11211010110021), we get a palindrome (23212111121232).

The spelling of 12001101011211 in words is "twelve trillion, one billion, one hundred one million, eleven thousand, two hundred eleven".