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12122102221123 is a prime number
BaseRepresentation
bin1011000001100110010110…
…0110001100100101000011
31120220212021010221121112111
42300121211212030211003
53042102031132033443
641440452240240151
72360535664532326
oct260314546144503
946825233847474
1012122102221123
113953a55754854
121439417610057
1369c156291a7b
142dc9da1cc7bd
151604cc72b69d
hexb066598c943

12122102221123 has 2 divisors, whose sum is σ = 12122102221124. Its totient is φ = 12122102221122.

The previous prime is 12122102221093. The next prime is 12122102221169. The reversal of 12122102221123 is 32112220122121.

It is a weak prime.

It is an emirp because it is prime and its reverse (32112220122121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12122102221123 - 217 = 12122102090051 is a prime.

It is a super-2 number, since 2×121221022211232 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12122102221094 and 12122102221103.

It is not a weakly prime, because it can be changed into another prime (12122102231123) 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, 6061051110561 + 6061051110562.

It is an arithmetic number, because the mean of its divisors is an integer number (6061051110562).

Almost surely, 212122102221123 is an apocalyptic number.

12122102221123 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122102221123 is an equidigital number, since it uses as much as digits as its factorization.

12122102221123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 12122102221123 its reverse (32112220122121), we get a palindrome (44234322343244).

The spelling of 12122102221123 in words is "twelve trillion, one hundred twenty-two billion, one hundred two million, two hundred twenty-one thousand, one hundred twenty-three".