12214321213 has 2 divisors, whose sum is σ = 12214321214. Its totient is φ = 12214321212.

The previous prime is 12214321169. The next prime is 12214321277. The reversal of 12214321213 is 31212341221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6793386084 + 5420935129 = 82422^2 + 73627^2 .

It is a cyclic number.

It is not a de Polignac number, because 12214321213 - 2²¹ = 12212224061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12214321283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6107160606 + 6107160607.

It is an arithmetic number, because the mean of its divisors is an integer number (6107160607).

Almost surely, 2^12214321213 is an apocalyptic number.

It is an amenable number.

12214321213 is a deficient number, since it is larger than the sum of its proper divisors (1).

12214321213 is an equidigital number, since it uses as much as digits as its factorization.

12214321213 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 12214321213 its reverse (31212341221), we get a palindrome (43426662434).

The spelling of 12214321213 in words is "twelve billion, two hundred fourteen million, three hundred twenty-one thousand, two hundred thirteen".