12321214311 has 48 divisors (see below), whose sum is σ = 19510400000. Its totient is φ = 6775042176.

The previous prime is 12321214303. The next prime is 12321214351. The reversal of 12321214311 is 11341212321.

It is not a de Polignac number, because 12321214311 - 2³ = 12321214303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321214351) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6162690 + ... + 6164688.

Almost surely, 2^12321214311 is an apocalyptic number.

12321214311 is a deficient number, since it is larger than the sum of its proper divisors (7189185689).

12321214311 is a wasteful number, since it uses less digits than its factorization.

12321214311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2416 (or 2387 counting only the distinct ones).

The product of its digits is 288, while the sum is 21.

Adding to 12321214311 its reverse (11341212321), we get a palindrome (23662426632).

The spelling of 12321214311 in words is "twelve billion, three hundred twenty-one million, two hundred fourteen thousand, three hundred eleven".