12221133230213 has 8 divisors (see below), whose sum is σ = 12359762183832. Its totient is φ = 12082762192896.

The previous prime is 12221133230083. The next prime is 12221133230233. The reversal of 12221133230213 is 31203233112221.

It can be written as a sum of positive squares in 4 ways, for example, as 4245157502884 + 7975975727329 = 2060378^2 + 2824177^2 .

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 12221133230213 - 2⁸ = 12221133229957 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 (12221133230233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64383770 + ... + 64573307.

It is an arithmetic number, because the mean of its divisors is an integer number (1544970272979).

Almost surely, 2^{12221133230213} is an apocalyptic number.

It is an amenable number.

12221133230213 is a deficient number, since it is larger than the sum of its proper divisors (138628953619).

12221133230213 is an equidigital number, since it uses as much as digits as its factorization.

12221133230213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128958151.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 12221133230213 its reverse (31203233112221), we get a palindrome (43424366342434).

The spelling of 12221133230213 in words is "twelve trillion, two hundred twenty-one billion, one hundred thirty-three million, two hundred thirty thousand, two hundred thirteen".