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12201120122017 is a prime number
BaseRepresentation
bin1011000110001100101101…
…1011100100010010100001
31121012102020001001212211111
42301203023123210102201
53044400343222401032
641541041152143321
72366334062600251
oct261431333442241
947172201055744
1012201120122017
113984514254282
1214507aa537b41
136a6739ab6548
14302774759961
151625a48a2c47
hexb18cb6e44a1

12201120122017 has 2 divisors, whose sum is σ = 12201120122018. Its totient is φ = 12201120122016.

The previous prime is 12201120121979. The next prime is 12201120122027. The reversal of 12201120122017 is 71022102110221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10937843032081 + 1263277089936 = 3307241^2 + 1123956^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12201120122017 is a prime.

It is not a weakly prime, because it can be changed into another prime (12201120122027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100560061008 + 6100560061009.

It is an arithmetic number, because the mean of its divisors is an integer number (6100560061009).

Almost surely, 212201120122017 is an apocalyptic number.

It is an amenable number.

12201120122017 is a deficient number, since it is larger than the sum of its proper divisors (1).

12201120122017 is an equidigital number, since it uses as much as digits as its factorization.

12201120122017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 12201120122017 its reverse (71022102110221), we get a palindrome (83223222232238).

The spelling of 12201120122017 in words is "twelve trillion, two hundred one billion, one hundred twenty million, one hundred twenty-two thousand, seventeen".