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1220323112179 is a prime number
BaseRepresentation
bin10001110000100000111…
…011001111010011110011
311022122212102020011210221
4101300200323033103303
5124443210204042204
62332335251233511
7154110513206653
oct21604073172363
94278772204727
101220323112179
11430599646076
1217860b8a8897
138b0cabc3282
14430c76bc363
1521b23ecd654
hex11c20ecf4f3

1220323112179 has 2 divisors, whose sum is σ = 1220323112180. Its totient is φ = 1220323112178.

The previous prime is 1220323112159. The next prime is 1220323112189. The reversal of 1220323112179 is 9712113230221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1220323112179 - 25 = 1220323112147 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220323112119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610161556089 + 610161556090.

It is an arithmetic number, because the mean of its divisors is an integer number (610161556090).

Almost surely, 21220323112179 is an apocalyptic number.

1220323112179 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220323112179 is an equidigital number, since it uses as much as digits as its factorization.

1220323112179 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 34.

The spelling of 1220323112179 in words is "one trillion, two hundred twenty billion, three hundred twenty-three million, one hundred twelve thousand, one hundred seventy-nine".