12213213223211 has 64 divisors (see below), whose sum is σ = 16965322214400. Its totient is φ = 8480953152000.

The previous prime is 12213213223207. The next prime is 12213213223219. The reversal of 12213213223211 is 11232231231221.

It is not a de Polignac number, because 12213213223211 - 2² = 12213213223207 is a prime.

It is a super-3 number, since 3×12213213223211³ (a number of 40 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12213213223219) 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 63 ways as a sum of consecutive naturals, for example, 461576900 + ... + 461603358.

It is an arithmetic number, because the mean of its divisors is an integer number (265083159600).

Almost surely, 2^{12213213223211} is an apocalyptic number.

12213213223211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12213213223211 is a deficient number, since it is larger than the sum of its proper divisors (4752108991189).

12213213223211 is a wasteful number, since it uses less digits than its factorization.

12213213223211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42420.

The product of its digits is 1728, while the sum is 26.

Adding to 12213213223211 its reverse (11232231231221), we get a palindrome (23445444454432).

The spelling of 12213213223211 in words is "twelve trillion, two hundred thirteen billion, two hundred thirteen million, two hundred twenty-three thousand, two hundred eleven".