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121303132117 is a prime number
BaseRepresentation
bin111000011111000111…
…0101110011111010101
3102121002211020120200221
41300332032232133111
53441412100211432
6131420443034341
711523001416256
oct1607616563725
9377084216627
10121303132117
1147498501612
121b61420b9b1
13b59217ab6b
145c2a440b2d
15324e5b3b97
hex1c3e3ae7d5

121303132117 has 2 divisors, whose sum is σ = 121303132118. Its totient is φ = 121303132116.

The previous prime is 121303132021. The next prime is 121303132123. The reversal of 121303132117 is 711231303121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111618800836 + 9684331281 = 334094^2 + 98409^2 .

It is a cyclic number.

It is not a de Polignac number, because 121303132117 - 223 = 121294743509 is a prime.

It is a super-2 number, since 2×1213031321172 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121303132091 and 121303132100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121303132177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60651566058 + 60651566059.

It is an arithmetic number, because the mean of its divisors is an integer number (60651566059).

Almost surely, 2121303132117 is an apocalyptic number.

It is an amenable number.

121303132117 is a deficient number, since it is larger than the sum of its proper divisors (1).

121303132117 is an equidigital number, since it uses as much as digits as its factorization.

121303132117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 25.

Adding to 121303132117 its reverse (711231303121), we get a palindrome (832534435238).

The spelling of 121303132117 in words is "one hundred twenty-one billion, three hundred three million, one hundred thirty-two thousand, one hundred seventeen".