12001201211 has 8 divisors (see below), whose sum is σ = 13182097920. Its totient is φ = 10875229992.

The previous prime is 12001201189. The next prime is 12001201231. The reversal of 12001201211 is 11210210021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12001201211 - 2¹⁰ = 12001200187 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12001201192 and 12001201201.

It is not an unprimeable number, because it can be changed into a prime (12001201231) 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 7 ways as a sum of consecutive naturals, for example, 13730915 + ... + 13731788.

It is an arithmetic number, because the mean of its divisors is an integer number (1647762240).

Almost surely, 2^12001201211 is an apocalyptic number.

12001201211 is a deficient number, since it is larger than the sum of its proper divisors (1180896709).

12001201211 is a wasteful number, since it uses less digits than its factorization.

12001201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27462745.

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

Adding to 12001201211 its reverse (11210210021), we get a palindrome (23211411232).

The spelling of 12001201211 in words is "twelve billion, one million, two hundred one thousand, two hundred eleven".