Search a number
-
+
12122332223 is a prime number
BaseRepresentation
bin10110100101000110…
…00001110000111111
31011021211022021121112
423102203001300333
5144311304112343
65322515352235
7606255060311
oct132243016077
934254267545
1012122332223
115160816691
1224238b267b
1311b25c7161
1482dd837b1
154ae387218
hex2d28c1c3f

12122332223 has 2 divisors, whose sum is σ = 12122332224. Its totient is φ = 12122332222.

The previous prime is 12122332219. The next prime is 12122332231. The reversal of 12122332223 is 32223322121.

12122332223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (32223322121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12122332223 - 22 = 12122332219 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12122332283) 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, 6061166111 + 6061166112.

It is an arithmetic number, because the mean of its divisors is an integer number (6061166112).

Almost surely, 212122332223 is an apocalyptic number.

12122332223 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122332223 is an equidigital number, since it uses as much as digits as its factorization.

12122332223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 23.

Adding to 12122332223 its reverse (32223322121), we get a palindrome (44345654344).

The spelling of 12122332223 in words is "twelve billion, one hundred twenty-two million, three hundred thirty-two thousand, two hundred twenty-three".