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12201120112231 is a prime number
BaseRepresentation
bin1011000110001100101101…
…1011100001111001100111
31121012102020001001101102001
42301203023123201321213
53044400343222042411
641541041152030131
72366334062526601
oct261431333417147
947172201041361
1012201120112231
113984514247996
1214507aa532347
136a6739ab1c5b
14302774756171
151625a489edc1
hexb18cb6e1e67

12201120112231 has 2 divisors, whose sum is σ = 12201120112232. Its totient is φ = 12201120112230.

The previous prime is 12201120112201. The next prime is 12201120112241. The reversal of 12201120112231 is 13221102110221.

It is a strong prime.

It is an emirp because it is prime and its reverse (13221102110221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12201120112231 - 241 = 10002096856679 is a prime.

It is a super-2 number, since 2×122011201122312 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12201120112199 and 12201120112208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12201120112201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100560056115 + 6100560056116.

It is an arithmetic number, because the mean of its divisors is an integer number (6100560056116).

Almost surely, 212201120112231 is an apocalyptic number.

12201120112231 is a deficient number, since it is larger than the sum of its proper divisors (1).

12201120112231 is an equidigital number, since it uses as much as digits as its factorization.

12201120112231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 12201120112231 its reverse (13221102110221), we get a palindrome (25422222222452).

The spelling of 12201120112231 in words is "twelve trillion, two hundred one billion, one hundred twenty million, one hundred twelve thousand, two hundred thirty-one".