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212213201047 is a prime number
BaseRepresentation
bin1100010110100011100…
…1000111100010010111
3202021202111120120200221
43011220321013202113
511434103034413142
6241253413215211
721221561306101
oct3055071074227
9667674516627
10212213201047
1181aa9901991
1235165931507
131701c6b0863
14a3b215a571
1557c07aa767
hex3168e47897

212213201047 has 2 divisors, whose sum is σ = 212213201048. Its totient is φ = 212213201046.

The previous prime is 212213200963. The next prime is 212213201059. The reversal of 212213201047 is 740102312212.

212213201047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212213201047 - 235 = 177853462679 is a prime.

It is a super-2 number, since 2×2122132010472 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212213201147) 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, 106106600523 + 106106600524.

It is an arithmetic number, because the mean of its divisors is an integer number (106106600524).

Almost surely, 2212213201047 is an apocalyptic number.

212213201047 is a deficient number, since it is larger than the sum of its proper divisors (1).

212213201047 is an equidigital number, since it uses as much as digits as its factorization.

212213201047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 25.

Adding to 212213201047 its reverse (740102312212), we get a palindrome (952315513259).

The spelling of 212213201047 in words is "two hundred twelve billion, two hundred thirteen million, two hundred one thousand, forty-seven".