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33212085211 is a prime number
BaseRepresentation
bin11110111011100110…
…000011001111011011
310011201121101201221001
4132323212003033123
51021004243211321
623131334125431
72254012031524
oct367346031733
9104647351831
1033212085211
11130a33a1208
12652a7b0877
1331939a5636
141870c9b84b
15ce5b12c91
hex7bb9833db

33212085211 has 2 divisors, whose sum is σ = 33212085212. Its totient is φ = 33212085210.

The previous prime is 33212085209. The next prime is 33212085223. The reversal of 33212085211 is 11258021233.

It is a weak prime.

It is an emirp because it is prime and its reverse (11258021233) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33212085211 - 21 = 33212085209 is a prime.

It is a super-2 number, since 2×332120852112 (a number of 22 digits) contains 22 as substring.

Together with 33212085209, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 33212085211.

It is not a weakly prime, because it can be changed into another prime (33212085811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16606042605 + 16606042606.

It is an arithmetic number, because the mean of its divisors is an integer number (16606042606).

Almost surely, 233212085211 is an apocalyptic number.

33212085211 is a deficient number, since it is larger than the sum of its proper divisors (1).

33212085211 is an equidigital number, since it uses as much as digits as its factorization.

33212085211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 28.

The spelling of 33212085211 in words is "thirty-three billion, two hundred twelve million, eighty-five thousand, two hundred eleven".