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12201020211187 is a prime number
BaseRepresentation
bin1011000110001100010101…
…1110011011111111110011
31121012101222002001212221101
42301203011132123333303
53044400142133224222
641541023222505231
72366331440426113
oct261430536337763
947171862055841
1012201020211187
113984472913845
121450780b95217
136a67221a4502
1430276538d043
1516259ac19927
hexb18c579bff3

12201020211187 has 2 divisors, whose sum is σ = 12201020211188. Its totient is φ = 12201020211186.

The previous prime is 12201020211181. The next prime is 12201020211203. The reversal of 12201020211187 is 78111202010221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12201020211187 - 215 = 12201020178419 is a prime.

It is not a weakly prime, because it can be changed into another prime (12201020211181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100510105593 + 6100510105594.

It is an arithmetic number, because the mean of its divisors is an integer number (6100510105594).

Almost surely, 212201020211187 is an apocalyptic number.

12201020211187 is a deficient number, since it is larger than the sum of its proper divisors (1).

12201020211187 is an equidigital number, since it uses as much as digits as its factorization.

12201020211187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 28.

The spelling of 12201020211187 in words is "twelve trillion, two hundred one billion, twenty million, two hundred eleven thousand, one hundred eighty-seven".