12214312321 has 2 divisors, whose sum is σ = 12214312322. Its totient is φ = 12214312320.

The previous prime is 12214312309. The next prime is 12214312333. The reversal of 12214312321 is 12321341221.

It is a balanced prime because it is at equal distance from previous prime (12214312309) and next prime (12214312333).

It can be written as a sum of positive squares in only one way, i.e., 11320960000 + 893352321 = 106400^2 + 29889^2 .

It is a cyclic number.

It is not a de Polignac number, because 12214312321 - 2¹⁷ = 12214181249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12214312292 and 12214312301.

It is not a weakly prime, because it can be changed into another prime (12214312351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6107156160 + 6107156161.

It is an arithmetic number, because the mean of its divisors is an integer number (6107156161).

Almost surely, 2^12214312321 is an apocalyptic number.

It is an amenable number.

12214312321 is a deficient number, since it is larger than the sum of its proper divisors (1).

12214312321 is an equidigital number, since it uses as much as digits as its factorization.

12214312321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 22.

Adding to 12214312321 its reverse (12321341221), we get a palindrome (24535653542).

The spelling of 12214312321 in words is "twelve billion, two hundred fourteen million, three hundred twelve thousand, three hundred twenty-one".