12213132311 has 2 divisors, whose sum is σ = 12213132312. Its totient is φ = 12213132310.

The previous prime is 12213132307. The next prime is 12213132329. The reversal of 12213132311 is 11323131221.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (11323131221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12213132311 - 2² = 12213132307 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12213132011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106566155 + 6106566156.

It is an arithmetic number, because the mean of its divisors is an integer number (6106566156).

Almost surely, 2^12213132311 is an apocalyptic number.

12213132311 is a deficient number, since it is larger than the sum of its proper divisors (1).

12213132311 is an equidigital number, since it uses as much as digits as its factorization.

12213132311 is an odious number, because the sum of its binary digits is odd.

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

Adding to 12213132311 its reverse (11323131221), we get a palindrome (23536263532).

The spelling of 12213132311 in words is "twelve billion, two hundred thirteen million, one hundred thirty-two thousand, three hundred eleven".