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212192207 is a prime number
BaseRepresentation
bin11001010010111…
…00101111001111
3112210021110222122
430221130233033
5413310122312
633020003155
75154414113
oct1451345717
9483243878
10212192207
11a9860167
125b0904bb
1334c65926
1420277743
1513966b72
hexca5cbcf

212192207 has 2 divisors, whose sum is σ = 212192208. Its totient is φ = 212192206.

The previous prime is 212192203. The next prime is 212192219. The reversal of 212192207 is 702291212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212192207 - 22 = 212192203 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212192203) 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, 106096103 + 106096104.

It is an arithmetic number, because the mean of its divisors is an integer number (106096104).

Almost surely, 2212192207 is an apocalyptic number.

212192207 is a deficient number, since it is larger than the sum of its proper divisors (1).

212192207 is an equidigital number, since it uses as much as digits as its factorization.

212192207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 212192207 is about 14566.8186986727. The cubic root of 212192207 is about 596.4533424154.

The spelling of 212192207 in words is "two hundred twelve million, one hundred ninety-two thousand, two hundred seven".