Search a number
-
+
12020202097 is a prime number
BaseRepresentation
bin10110011000111010…
…11011101001110001
31011000201010112102021
423030131123221301
5144104132431342
65304430351441
7603605013661
oct131435335161
934021115367
1012020202097
1151090aa822
1223b565b581
1311973b8c27
1482059a1a1
154a5411567
hex2cc75ba71

12020202097 has 2 divisors, whose sum is σ = 12020202098. Its totient is φ = 12020202096.

The previous prime is 12020202079. The next prime is 12020202127. The reversal of 12020202097 is 79020202021.

Together with previous prime (12020202079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11982367296 + 37834801 = 109464^2 + 6151^2 .

It is an emirp because it is prime and its reverse (79020202021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12020202097 - 27 = 12020201969 is a prime.

It is not a weakly prime, because it can be changed into another prime (12020202497) 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 as a sum of consecutive naturals, namely, 6010101048 + 6010101049.

It is an arithmetic number, because the mean of its divisors is an integer number (6010101049).

Almost surely, 212020202097 is an apocalyptic number.

It is an amenable number.

12020202097 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020202097 is an equidigital number, since it uses as much as digits as its factorization.

12020202097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The spelling of 12020202097 in words is "twelve billion, twenty million, two hundred two thousand, ninety-seven".