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210201022212 = 22317516751851
BaseRepresentation
bin1100001111000011110…
…1010000111100000100
3202002120021022022020220
43003300331100330010
511420442430202322
6240322013224340
721120656131356
oct3036075207404
9662507268226
10210201022212
1181166aa7175
12348a3a920b0
1316a8b860cac
14a260c110d6
155703cde55c
hex30f0f50f04

210201022212 has 12 divisors (see below), whose sum is σ = 490469051856. Its totient is φ = 70067007400.

The previous prime is 210201022177. The next prime is 210201022223. The reversal of 210201022212 is 212220102012.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 210201022191 and 210201022200.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 8758375914 + ... + 8758375937.

It is an arithmetic number, because the mean of its divisors is an integer number (40872420988).

Almost surely, 2210201022212 is an apocalyptic number.

It is an amenable number.

210201022212 is an abundant number, since it is smaller than the sum of its proper divisors (280268029644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210201022212 is a wasteful number, since it uses less digits than its factorization.

210201022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17516751858 (or 17516751856 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 210201022212 its reverse (212220102012), we get a palindrome (422421124224).

The spelling of 210201022212 in words is "two hundred ten billion, two hundred one million, twenty-two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 17516751851 35033503702 52550255553 70067007404 105100511106 210201022212