12231201211 has 16 divisors (see below), whose sum is σ = 13260916800. Its totient is φ = 11246514048.

The previous prime is 12231201163. The next prime is 12231201233. The reversal of 12231201211 is 11210213221.

12231201211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12231201211 - 2¹¹ = 12231199163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12231231211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112705 + ... + 192781.

It is an arithmetic number, because the mean of its divisors is an integer number (828807300).

Almost surely, 2^12231201211 is an apocalyptic number.

12231201211 is a deficient number, since it is larger than the sum of its proper divisors (1029715589).

12231201211 is a wasteful number, since it uses less digits than its factorization.

12231201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80358.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12231201211 its reverse (11210213221), we get a palindrome (23441414432).

The spelling of 12231201211 in words is "twelve billion, two hundred thirty-one million, two hundred one thousand, two hundred eleven".