211233211213 has 8 divisors (see below), whose sum is σ = 213291380736. Its totient is φ = 209184961200.

The previous prime is 211233211207. The next prime is 211233211229. The reversal of 211233211213 is 312112332112.

211233211213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 211233211213 - 2⁹ = 211233210701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211233211613) 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, 2437078 + ... + 2522263.

It is an arithmetic number, because the mean of its divisors is an integer number (26661422592).

Almost surely, 2^211233211213 is an apocalyptic number.

It is an amenable number.

211233211213 is a deficient number, since it is larger than the sum of its proper divisors (2058169523).

211233211213 is a wasteful number, since it uses less digits than its factorization.

211233211213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4959755.

The product of its digits is 432, while the sum is 22.

Adding to 211233211213 its reverse (312112332112), we get a palindrome (523345543325).

The spelling of 211233211213 in words is "two hundred eleven billion, two hundred thirty-three million, two hundred eleven thousand, two hundred thirteen".