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1222120110193 is a prime number
BaseRepresentation
bin10001110010001100000…
…010001111100001110001
311022211111122121010122221
4101302030002033201301
5130010400222011233
62333233443201041
7154203163352143
oct21621402174161
94284448533587
101222120110193
11431330a3a2a4
12178a31676181
138b3262a1ac8
1443218212c93
1521bcbb4242d
hex11c8c08f871

1222120110193 has 2 divisors, whose sum is σ = 1222120110194. Its totient is φ = 1222120110192.

The previous prime is 1222120110187. The next prime is 1222120110203. The reversal of 1222120110193 is 3910110212221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 791551854864 + 430568255329 = 889692^2 + 656177^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1222120110193 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222120110143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611060055096 + 611060055097.

It is an arithmetic number, because the mean of its divisors is an integer number (611060055097).

Almost surely, 21222120110193 is an apocalyptic number.

It is an amenable number.

1222120110193 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222120110193 is an equidigital number, since it uses as much as digits as its factorization.

1222120110193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 1222120110193 in words is "one trillion, two hundred twenty-two billion, one hundred twenty million, one hundred ten thousand, one hundred ninety-three".