12213130021171 has 2 divisors, whose sum is σ = 12213130021172. Its totient is φ = 12213130021170.

The previous prime is 12213130021121. The next prime is 12213130021259. The reversal of 12213130021171 is 17112003131221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12213130021171 - 2¹⁷ = 12213129890099 is a prime.

It is a super-2 number, since 2×12213130021171² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12213130021121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106565010585 + 6106565010586.

It is an arithmetic number, because the mean of its divisors is an integer number (6106565010586).

Almost surely, 2^{12213130021171} is an apocalyptic number.

12213130021171 is a deficient number, since it is larger than the sum of its proper divisors (1).

12213130021171 is an equidigital number, since it uses as much as digits as its factorization.

12213130021171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 25.

Adding to 12213130021171 its reverse (17112003131221), we get a palindrome (29325133152392).

The spelling of 12213130021171 in words is "twelve trillion, two hundred thirteen billion, one hundred thirty million, twenty-one thousand, one hundred seventy-one".