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12122302223 is a prime number
BaseRepresentation
bin10110100101000101…
…11010011100001111
31011021211020202110102
423102202322130033
5144311302132343
65322515001315
7606254603663
oct132242723417
934254222412
1012122302223
1151607a6099
12242389923b
1311b25b65c5
1482dd768a3
154ae37d3b8
hex2d28ba70f

12122302223 has 2 divisors, whose sum is σ = 12122302224. Its totient is φ = 12122302222.

The previous prime is 12122302211. The next prime is 12122302259. The reversal of 12122302223 is 32220322121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12122302223 - 210 = 12122301199 is a prime.

It is a super-2 number, since 2×121223022232 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12122302195 and 12122302204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12122308223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061151111 + 6061151112.

It is an arithmetic number, because the mean of its divisors is an integer number (6061151112).

Almost surely, 212122302223 is an apocalyptic number.

12122302223 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122302223 is an equidigital number, since it uses as much as digits as its factorization.

12122302223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12122302223 its reverse (32220322121), we get a palindrome (44342624344).

The spelling of 12122302223 in words is "twelve billion, one hundred twenty-two million, three hundred two thousand, two hundred twenty-three".