12242324221213 has 4 divisors (see below), whose sum is σ = 12295784152540. Its totient is φ = 12188864289888.

The previous prime is 12242324221201. The next prime is 12242324221217. The reversal of 12242324221213 is 31212242324221.

12242324221213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6432117690244 + 5810206530969 = 2536162^2 + 2410437^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12242324221213 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 (12242324221217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26729965320 + ... + 26729965777.

It is an arithmetic number, because the mean of its divisors is an integer number (3073946038135).

Almost surely, 2^{12242324221213} is an apocalyptic number.

It is an amenable number.

12242324221213 is a deficient number, since it is larger than the sum of its proper divisors (53459931327).

12242324221213 is an equidigital number, since it uses as much as digits as its factorization.

12242324221213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53459931326.

The product of its digits is 18432, while the sum is 31.

Adding to 12242324221213 its reverse (31212242324221), we get a palindrome (43454566545434).

It can be divided in two parts, 1224232 and 4221213, that added together give a palindrome (5445445).

The spelling of 12242324221213 in words is "twelve trillion, two hundred forty-two billion, three hundred twenty-four million, two hundred twenty-one thousand, two hundred thirteen".