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122275122217 is a prime number
BaseRepresentation
bin111000111100000101…
…0100100110000101001
3102200121120012210110021
41301320022210300221
54000404412402332
6132101124120441
711556043250533
oct1617012446051
9380546183407
10122275122217
1147947134116
121b845836121
13b6b865bb31
145cbd57a853
1532a9ab0c97
hex1c782a4c29

122275122217 has 2 divisors, whose sum is σ = 122275122218. Its totient is φ = 122275122216.

The previous prime is 122275122163. The next prime is 122275122253. The reversal of 122275122217 is 712221572221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119585247721 + 2689874496 = 345811^2 + 51864^2 .

It is a cyclic number.

It is not a de Polignac number, because 122275122217 - 223 = 122266733609 is a prime.

It is not a weakly prime, because it can be changed into another prime (122275122917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61137561108 + 61137561109.

It is an arithmetic number, because the mean of its divisors is an integer number (61137561109).

Almost surely, 2122275122217 is an apocalyptic number.

It is an amenable number.

122275122217 is a deficient number, since it is larger than the sum of its proper divisors (1).

122275122217 is an equidigital number, since it uses as much as digits as its factorization.

122275122217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15680, while the sum is 34.

Adding to 122275122217 its reverse (712221572221), we get a palindrome (834496694438).

The spelling of 122275122217 in words is "one hundred twenty-two billion, two hundred seventy-five million, one hundred twenty-two thousand, two hundred seventeen".