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12122039 is a prime number
BaseRepresentation
bin101110001111…
…011110110111
3211210212022102
4232033132313
511100401124
61111452315
7205015136
oct56173667
924725272
1012122039
11692a516
12408709b
132685707
14187791d
1510e6aae
hexb8f7b7

12122039 has 2 divisors, whose sum is σ = 12122040. Its totient is φ = 12122038.

The previous prime is 12122021. The next prime is 12122041. The reversal of 12122039 is 93022121.

It is a strong prime.

It is an emirp because it is prime and its reverse (93022121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12122039 - 28 = 12121783 is a prime.

Together with 12122041, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12122039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12122009) 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, 6061019 + 6061020.

It is an arithmetic number, because the mean of its divisors is an integer number (6061020).

Almost surely, 212122039 is an apocalyptic number.

12122039 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122039 is an equidigital number, since it uses as much as digits as its factorization.

12122039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 12122039 is about 3481.6718685137. The cubic root of 12122039 is about 229.7163421815.

The spelling of 12122039 in words is "twelve million, one hundred twenty-two thousand, thirty-nine".