13212230211 has 24 divisors (see below), whose sum is σ = 19647111120. Its totient is φ = 8549551296.

The previous prime is 13212230191. The next prime is 13212230219. The reversal of 13212230211 is 11203221231.

13212230211 is a `hidden beast` number, since 13 + 212 + 230 + 211 = 666.

It is not a de Polignac number, because 13212230211 - 2⁹ = 13212229699 is a prime.

It is a super-2 number, since 2×13212230211² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13212230219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92181 + ... + 186873.

It is an arithmetic number, because the mean of its divisors is an integer number (818629630).

Almost surely, 2^13212230211 is an apocalyptic number.

13212230211 is a deficient number, since it is larger than the sum of its proper divisors (6434880909).

13212230211 is a wasteful number, since it uses less digits than its factorization.

13212230211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95155 (or 95152 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 13212230211 its reverse (11203221231), we get a palindrome (24415451442).

The spelling of 13212230211 in words is "thirteen billion, two hundred twelve million, two hundred thirty thousand, two hundred eleven".