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212203111223 is a prime number
BaseRepresentation
bin1100010110100001001…
…0101000001100110111
3202021201210120222001202
43011220102220030313
511434042444024343
6241252413043115
721221406453515
oct3055022501467
9667653528052
10212203111223
1181aa4140294
123516248649b
131701a58a14c
14a3b0a914b5
1557be965db8
hex31684a8337

212203111223 has 2 divisors, whose sum is σ = 212203111224. Its totient is φ = 212203111222.

The previous prime is 212203111193. The next prime is 212203111259. The reversal of 212203111223 is 322111302212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212203111223 - 210 = 212203110199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212203111195 and 212203111204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212203111283) 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, 106101555611 + 106101555612.

It is an arithmetic number, because the mean of its divisors is an integer number (106101555612).

Almost surely, 2212203111223 is an apocalyptic number.

212203111223 is a deficient number, since it is larger than the sum of its proper divisors (1).

212203111223 is an equidigital number, since it uses as much as digits as its factorization.

212203111223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 212203111223 its reverse (322111302212), we get a palindrome (534314413435).

The spelling of 212203111223 in words is "two hundred twelve billion, two hundred three million, one hundred eleven thousand, two hundred twenty-three".