12213122311 has 8 divisors (see below), whose sum is σ = 13160554064. Its totient is φ = 11266827840.

The previous prime is 12213122293. The next prime is 12213122329. The reversal of 12213122311 is 11322131221.

It is an interprime number because it is at equal distance from previous prime (12213122293) and next prime (12213122329).

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 12213122311 - 2⁵ = 12213122279 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 (12213122351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261945 + ... + 305026.

It is an arithmetic number, because the mean of its divisors is an integer number (1645069258).

Almost surely, 2^12213122311 is an apocalyptic number.

12213122311 is a deficient number, since it is larger than the sum of its proper divisors (947431753).

12213122311 is a wasteful number, since it uses less digits than its factorization.

12213122311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568641.

The product of its digits is 144, while the sum is 19.

Adding to 12213122311 its reverse (11322131221), we get a palindrome (23535253532).

The spelling of 12213122311 in words is "twelve billion, two hundred thirteen million, one hundred twenty-two thousand, three hundred eleven".