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143212207 is a prime number
BaseRepresentation
bin10001000100100…
…11111010101111
3100222110221012211
420202103322233
5243130242312
622113311251
73356166205
oct1042237257
9328427184
10143212207
11739264a6
123bb65527
1323893468
141503d075
15c88d3a7
hex8893eaf

143212207 has 2 divisors, whose sum is σ = 143212208. Its totient is φ = 143212206.

The previous prime is 143212189. The next prime is 143212229. The reversal of 143212207 is 702212341.

It is an a-pointer prime, because the next prime (143212229) can be obtained adding 143212207 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-143212207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143215207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71606103 + 71606104.

It is an arithmetic number, because the mean of its divisors is an integer number (71606104).

Almost surely, 2143212207 is an apocalyptic number.

143212207 is a deficient number, since it is larger than the sum of its proper divisors (1).

143212207 is an equidigital number, since it uses as much as digits as its factorization.

143212207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 143212207 is about 11967.1302742136. The cubic root of 143212207 is about 523.1906963384.

Adding to 143212207 its reverse (702212341), we get a palindrome (845424548).

The spelling of 143212207 in words is "one hundred forty-three million, two hundred twelve thousand, two hundred seven".