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12161119 is a prime number
BaseRepresentation
bin101110011001…
…000001011111
3211212211220211
4232121001133
511103123434
61112353251
7205240105
oct56310137
924784824
1012161119
116956913
1240a5827
13269a439
141887c75
151103464
hexb9905f

12161119 has 2 divisors, whose sum is σ = 12161120. Its totient is φ = 12161118.

The previous prime is 12161117. The next prime is 12161141. The reversal of 12161119 is 91116121.

It is an a-pointer prime, because the next prime (12161141) can be obtained adding 12161119 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12161119 - 21 = 12161117 is a prime.

It is a super-2 number, since 2×121611192 = 295785630664322, which contains 22 as substring.

Together with 12161117, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12161119.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12161113) 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, 6080559 + 6080560.

It is an arithmetic number, because the mean of its divisors is an integer number (6080560).

Almost surely, 212161119 is an apocalyptic number.

12161119 is a deficient number, since it is larger than the sum of its proper divisors (1).

12161119 is an equidigital number, since it uses as much as digits as its factorization.

12161119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108, while the sum is 22.

The square root of 12161119 is about 3487.2795987704. The cubic root of 12161119 is about 229.9629366869.

The spelling of 12161119 in words is "twelve million, one hundred sixty-one thousand, one hundred nineteen".