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12212585611771 is a prime number
BaseRepresentation
bin1011000110110111011011…
…0100111100000111111011
31121020111211002102002222011
42301231312310330013323
53100042333404034041
641550215005310351
72400221153625136
oct261556664740773
947214732362864
1012212585611771
113989368218446
121452a6a2653b7
136a78462a20cc
1430314139b21d
15162a2623ee81
hexb1b76d3c1fb

12212585611771 has 2 divisors, whose sum is σ = 12212585611772. Its totient is φ = 12212585611770.

The previous prime is 12212585611769. The next prime is 12212585611817. The reversal of 12212585611771 is 17711658521221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12212585611771 - 21 = 12212585611769 is a prime.

Together with 12212585611769, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12212585611571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106292805885 + 6106292805886.

It is an arithmetic number, because the mean of its divisors is an integer number (6106292805886).

Almost surely, 212212585611771 is an apocalyptic number.

12212585611771 is a deficient number, since it is larger than the sum of its proper divisors (1).

12212585611771 is an equidigital number, since it uses as much as digits as its factorization.

12212585611771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 470400, while the sum is 49.

The spelling of 12212585611771 in words is "twelve trillion, two hundred twelve billion, five hundred eighty-five million, six hundred eleven thousand, seven hundred seventy-one".