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212320433021321 = 2712883727168923
BaseRepresentation
bin110000010001101010110011…
…111111010010000110001001
31000211202122011000222012221102
4300101222303333102012021
5210312124221323140241
62031322354351151145
762502434155142342
oct6021526377220611
91024678130865842
10212320433021321
1161719654292829
121b9911575154b5
139161966ab8811
143a605143490c9
151982e1d42239b
hexc11ab3fd2189

212320433021321 has 8 divisors (see below), whose sum is σ = 213111301044864. Its totient is φ = 211529619393840.

The previous prime is 212320433021267. The next prime is 212320433021327. The reversal of 212320433021321 is 123120334023212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212320433021321 - 214 = 212320433004937 is a prime.

It is a super-2 number, since 2×2123204330213212 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212320433021327) 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 in 7 ways as a sum of consecutive naturals, for example, 5769635 + ... + 21399288.

It is an arithmetic number, because the mean of its divisors is an integer number (26638912630608).

Almost surely, 2212320433021321 is an apocalyptic number.

It is an amenable number.

212320433021321 is a deficient number, since it is larger than the sum of its proper divisors (790868023543).

212320433021321 is a wasteful number, since it uses less digits than its factorization.

212320433021321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27198031.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 212320433021321 its reverse (123120334023212), we get a palindrome (335440767044533).

The spelling of 212320433021321 in words is "two hundred twelve trillion, three hundred twenty billion, four hundred thirty-three million, twenty-one thousand, three hundred twenty-one".

Divisors: 1 271 28837 7814827 27168923 7362778133 783470232551 212320433021321