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121200122207 is a prime number
BaseRepresentation
bin111000011100000010…
…1110001100101011111
3102120211122102010200002
41300320011301211133
53441204212402312
6131402323124515
711520311016653
oct1607005614537
9376748363602
10121200122207
114744534475a
121b5a581373b
13b576a22358
145c1a8a8a63
1532455174c2
hex1c3817195f

121200122207 has 2 divisors, whose sum is σ = 121200122208. Its totient is φ = 121200122206.

The previous prime is 121200122159. The next prime is 121200122221. The reversal of 121200122207 is 702221002121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121200122207 - 232 = 116905154911 is a prime.

It is a super-3 number, since 3×1212001222073 (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121200122287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60600061103 + 60600061104.

It is an arithmetic number, because the mean of its divisors is an integer number (60600061104).

Almost surely, 2121200122207 is an apocalyptic number.

121200122207 is a deficient number, since it is larger than the sum of its proper divisors (1).

121200122207 is an equidigital number, since it uses as much as digits as its factorization.

121200122207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 121200122207 its reverse (702221002121), we get a palindrome (823421124328).

The spelling of 121200122207 in words is "one hundred twenty-one billion, two hundred million, one hundred twenty-two thousand, two hundred seven".