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212212323343 is a prime number
BaseRepresentation
bin1100010110100011010…
…1110001010000001111
3202021202102220222201101
43011220311301100033
511434102323321333
6241253342323531
721221550662146
oct3055065612017
9667672828641
10212212323343
1181aa9362509
12351655895a7
131701c4641c7
14a3b1dac75d
1557c068567d
hex3168d7140f

212212323343 has 2 divisors, whose sum is σ = 212212323344. Its totient is φ = 212212323342.

The previous prime is 212212323329. The next prime is 212212323359. The reversal of 212212323343 is 343323212212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212212323343 - 213 = 212212315151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212212323383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106106161671 + 106106161672.

It is an arithmetic number, because the mean of its divisors is an integer number (106106161672).

Almost surely, 2212212323343 is an apocalyptic number.

212212323343 is a deficient number, since it is larger than the sum of its proper divisors (1).

212212323343 is an equidigital number, since it uses as much as digits as its factorization.

212212323343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 28.

Adding to 212212323343 its reverse (343323212212), we get a palindrome (555535535555).

The spelling of 212212323343 in words is "two hundred twelve billion, two hundred twelve million, three hundred twenty-three thousand, three hundred forty-three".