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212000219 is a prime number
BaseRepresentation
bin11001010001011…
…01110111011011
3112202220201121222
430220231313123
5413233001334
633011522255
75152654304
oct1450556733
9482821558
10212000219
11a97399a2
125abb938b
1334bc9422
14202277ab
1513929d2e
hexca2dddb

212000219 has 2 divisors, whose sum is σ = 212000220. Its totient is φ = 212000218.

The previous prime is 212000209. The next prime is 212000267. The reversal of 212000219 is 912000212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212000219 - 24 = 212000203 is a prime.

It is a super-2 number, since 2×2120002192 = 89888185712095922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 212000197 and 212000206.

It is not a weakly prime, because it can be changed into another prime (212000209) 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, 106000109 + 106000110.

It is an arithmetic number, because the mean of its divisors is an integer number (106000110).

Almost surely, 2212000219 is an apocalyptic number.

212000219 is a deficient number, since it is larger than the sum of its proper divisors (1).

212000219 is an equidigital number, since it uses as much as digits as its factorization.

212000219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 212000219 is about 14560.2272990500. The cubic root of 212000219 is about 596.2734010948.

The spelling of 212000219 in words is "two hundred twelve million, two hundred nineteen", and thus it is an aban number.