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12021206160169 is a prime number
BaseRepresentation
bin1010111011101110011110…
…1110010001001100101001
31120120012211112012122202001
42232323213232101030221
53033423412234111134
641322244343411001
72350334460262243
oct256734756211451
946505745178661
1012021206160169
11391518a537908
121421959753a61
13692796c3785b
142d7b88159093
1515ca749e2414
hexaeee7b91329

12021206160169 has 2 divisors, whose sum is σ = 12021206160170. Its totient is φ = 12021206160168.

The previous prime is 12021206160143. The next prime is 12021206160203. The reversal of 12021206160169 is 96106160212021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7937816012569 + 4083390147600 = 2817413^2 + 2020740^2 .

It is a cyclic number.

It is not a de Polignac number, because 12021206160169 - 229 = 12020669289257 is a prime.

It is a super-2 number, since 2×120212061601692 (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12021204160169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010603080084 + 6010603080085.

It is an arithmetic number, because the mean of its divisors is an integer number (6010603080085).

Almost surely, 212021206160169 is an apocalyptic number.

It is an amenable number.

12021206160169 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021206160169 is an equidigital number, since it uses as much as digits as its factorization.

12021206160169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 37.

The spelling of 12021206160169 in words is "twelve trillion, twenty-one billion, two hundred six million, one hundred sixty thousand, one hundred sixty-nine".