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12220102171 is a prime number
BaseRepresentation
bin10110110000101111…
…11111011000011011
31011112122021111202201
423120113333120123
5200011321232141
65340331111031
7611553104014
oct133027773033
934478244681
1012220102171
115200a246a2
1224505a2477
1311c99398b4
1483cd5400b
154b7c4b031
hex2d85ff61b

12220102171 has 2 divisors, whose sum is σ = 12220102172. Its totient is φ = 12220102170.

The previous prime is 12220102079. The next prime is 12220102177. The reversal of 12220102171 is 17120102221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12220102171 is a prime.

It is not a weakly prime, because it can be changed into another prime (12220102177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110051085 + 6110051086.

It is an arithmetic number, because the mean of its divisors is an integer number (6110051086).

Almost surely, 212220102171 is an apocalyptic number.

12220102171 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220102171 is an equidigital number, since it uses as much as digits as its factorization.

12220102171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 19.

Adding to 12220102171 its reverse (17120102221), we get a palindrome (29340204392).

The spelling of 12220102171 in words is "twelve billion, two hundred twenty million, one hundred two thousand, one hundred seventy-one".