12213213311 has 16 divisors (see below), whose sum is σ = 13418032320. Its totient is φ = 11046846720.

The previous prime is 12213213301. The next prime is 12213213347. The reversal of 12213213311 is 11331231221.

It is a happy number.

It is not a de Polignac number, because 12213213311 - 2¹⁰ = 12213212287 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 (12213213301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 546446 + ... + 568356.

It is an arithmetic number, because the mean of its divisors is an integer number (838627020).

Almost surely, 2^12213213311 is an apocalyptic number.

12213213311 is a deficient number, since it is larger than the sum of its proper divisors (1204819009).

12213213311 is a wasteful number, since it uses less digits than its factorization.

12213213311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22786.

The product of its digits is 216, while the sum is 20.

Adding to 12213213311 its reverse (11331231221), we get a palindrome (23544444532).

The spelling of 12213213311 in words is "twelve billion, two hundred thirteen million, two hundred thirteen thousand, three hundred eleven".