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212200811 is a prime number
BaseRepresentation
bin11001010010111…
…10110101101011
3112210021220210022
430221132311223
5413310411221
633020111055
75154451154
oct1451366553
9483256708
10212200811
11a9866679
125b09548b
1334c69814
142027a92b
15139694ab
hexca5ed6b

212200811 has 2 divisors, whose sum is σ = 212200812. Its totient is φ = 212200810.

The previous prime is 212200799. The next prime is 212200823. The reversal of 212200811 is 118002212.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (212200799) and next prime (212200823).

It is a cyclic number.

It is not a de Polignac number, because 212200811 - 222 = 208006507 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212200811.

It is not a weakly prime, because it can be changed into another prime (212200841) 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, 106100405 + 106100406.

It is an arithmetic number, because the mean of its divisors is an integer number (106100406).

Almost surely, 2212200811 is an apocalyptic number.

212200811 is a deficient number, since it is larger than the sum of its proper divisors (1).

212200811 is an equidigital number, since it uses as much as digits as its factorization.

212200811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 212200811 is about 14567.1140244044. The cubic root of 212200811 is about 596.4614039982.

The spelling of 212200811 in words is "two hundred twelve million, two hundred thousand, eight hundred eleven".