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212012012008211 is a prime number
BaseRepresentation
bin110000001101001011100100…
…101010011111001100010011
31000210200011001122102101212212
4300031023210222133030103
5210242101100033230321
62030524550154342335
762441235204606242
oct6015134452371423
91023604048371785
10212012012008211
116160a875700768
121b941421a2a9ab
13913b854458c1c
143a4d616a68959
151979dbb80355b
hexc0d2e4a9f313

212012012008211 has 2 divisors, whose sum is σ = 212012012008212. Its totient is φ = 212012012008210.

The previous prime is 212012012008201. The next prime is 212012012008249. The reversal of 212012012008211 is 112800210210212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-212012012008211 is a prime.

It is a super-2 number, since 2×2120120120082112 (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (212012012008201) 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, 106006006004105 + 106006006004106.

It is an arithmetic number, because the mean of its divisors is an integer number (106006006004106).

Almost surely, 2212012012008211 is an apocalyptic number.

212012012008211 is a deficient number, since it is larger than the sum of its proper divisors (1).

212012012008211 is an equidigital number, since it uses as much as digits as its factorization.

212012012008211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 23.

Adding to 212012012008211 its reverse (112800210210212), we get a palindrome (324812222218423).

The spelling of 212012012008211 in words is "two hundred twelve trillion, twelve billion, twelve million, eight thousand, two hundred eleven".