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120320221249 is a prime number
BaseRepresentation
bin111000000001110100…
…1001110000001000001
3102111120022201112110201
41300003221032001001
53432403434034444
6131135131525201
711456435002024
oct1600351160101
9374508645421
10120320221249
11470336a0088
121b39abb9801
13b4666451b7
145b75aa11bb
1531e315add4
hex1c03a4e041

120320221249 has 2 divisors, whose sum is σ = 120320221250. Its totient is φ = 120320221248.

The previous prime is 120320221211. The next prime is 120320221261. The reversal of 120320221249 is 942122023021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72154018225 + 48166203024 = 268615^2 + 219468^2 .

It is an emirp because it is prime and its reverse (942122023021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120320221249 is a prime.

It is a super-2 number, since 2×1203202212492 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (120320221279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60160110624 + 60160110625.

It is an arithmetic number, because the mean of its divisors is an integer number (60160110625).

Almost surely, 2120320221249 is an apocalyptic number.

It is an amenable number.

120320221249 is a deficient number, since it is larger than the sum of its proper divisors (1).

120320221249 is an equidigital number, since it uses as much as digits as its factorization.

120320221249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 120320221249 in words is "one hundred twenty billion, three hundred twenty million, two hundred twenty-one thousand, two hundred forty-nine".