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212012222143 is a prime number
BaseRepresentation
bin1100010101110011101…
…0011100011010111111
3202021020111101210110211
43011130322130122333
511433200112102033
6241221433413251
721213601103551
oct3053472343277
9667214353424
10212012222143
1181a06410517
123510a56a227
1316cb9b72b27
14a3935a14d1
1557acd0b2cd
hex315ce9c6bf

212012222143 has 2 divisors, whose sum is σ = 212012222144. Its totient is φ = 212012222142.

The previous prime is 212012222119. The next prime is 212012222153. The reversal of 212012222143 is 341222210212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212012222143 - 225 = 211978667711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212012222153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106006111071 + 106006111072.

It is an arithmetic number, because the mean of its divisors is an integer number (106006111072).

Almost surely, 2212012222143 is an apocalyptic number.

212012222143 is a deficient number, since it is larger than the sum of its proper divisors (1).

212012222143 is an equidigital number, since it uses as much as digits as its factorization.

212012222143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 212012222143 its reverse (341222210212), we get a palindrome (553234432355).

The spelling of 212012222143 in words is "two hundred twelve billion, twelve million, two hundred twenty-two thousand, one hundred forty-three".