12320213211 has 32 divisors (see below), whose sum is σ = 18439080000. Its totient is φ = 8129528064.

The previous prime is 12320213177. The next prime is 12320213221. The reversal of 12320213211 is 11231202321.

12320213211 is a `hidden beast` number, since 1 + 2 + 320 + 21 + 321 + 1 = 666.

It is not a de Polignac number, because 12320213211 - 2⁹ = 12320212699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12320213221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4039215 + ... + 4042263.

It is an arithmetic number, because the mean of its divisors is an integer number (576221250).

Almost surely, 2^12320213211 is an apocalyptic number.

12320213211 is a deficient number, since it is larger than the sum of its proper divisors (6118866789).

12320213211 is a wasteful number, since it uses less digits than its factorization.

12320213211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4540 (or 4534 counting only the distinct ones).

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

Adding to 12320213211 its reverse (11231202321), we get a palindrome (23551415532).

The spelling of 12320213211 in words is "twelve billion, three hundred twenty million, two hundred thirteen thousand, two hundred eleven".