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212021313120001 = 71117315916321081
BaseRepresentation
bin110000001101010100001111…
…000011011010011100000001
31000210201001001212002211121201
4300031110033003122130001
5210242224122124320001
62030533125133421201
762442014535010240
oct6015241703323401
91023631055084551
10212021313120001
1161613808965710
121b94319893a801
13913c6a7406078
143a4dc5a062957
15197a26315d501
hexc0d50f0da701

212021313120001 has 16 divisors (see below), whose sum is σ = 265866227353728. Its totient is φ = 164256433545600.

The previous prime is 212021313119971. The next prime is 212021313120047. The reversal of 212021313120001 is 100021313120212.

It is not a de Polignac number, because 212021313120001 - 221 = 212021311022849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212021313120091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7958147220 + ... + 7958173861.

It is an arithmetic number, because the mean of its divisors is an integer number (16616639209608).

Almost surely, 2212021313120001 is an apocalyptic number.

It is an amenable number.

212021313120001 is a deficient number, since it is larger than the sum of its proper divisors (53844914233727).

212021313120001 is a wasteful number, since it uses less digits than its factorization.

212021313120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15916321272.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 212021313120001 its reverse (100021313120212), we get a palindrome (312042626240213).

The spelling of 212021313120001 in words is "two hundred twelve trillion, twenty-one billion, three hundred thirteen million, one hundred twenty thousand, one".

Divisors: 1 7 11 77 173 1211 1903 13321 15916321081 111414247567 175079531891 1225556723237 2753523547013 19274664829091 30288759017143 212021313120001