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212213200212 = 22341350383001
BaseRepresentation
bin1100010110100011100…
…1000111010101010100
3202021202111120112120000
43011220321013111110
511434103034401322
6241253413211300
721221561303466
oct3055071072524
9667674515500
10212213200212
1181aa99012a2
1235165930b30
131701c6b0370
14a3b215a136
1557c07aa3ac
hex3168e47554

212213200212 has 60 divisors (see below), whose sum is σ = 597441637716. Its totient is φ = 65296368000.

The previous prime is 212213200207. The next prime is 212213200237. The reversal of 212213200212 is 212002312212.

212213200212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 13951389456 + 198261810756 = 118116^2 + 445266^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 25187289 + ... + 25195712.

Almost surely, 2212213200212 is an apocalyptic number.

It is an amenable number.

212213200212 is an abundant number, since it is smaller than the sum of its proper divisors (385228437504).

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

212213200212 is a wasteful number, since it uses less digits than its factorization.

212213200212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50383030 (or 50383019 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 212213200212 its reverse (212002312212), we get a palindrome (424215512424).

The spelling of 212213200212 in words is "two hundred twelve billion, two hundred thirteen million, two hundred thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 13 18 26 27 36 39 52 54 78 81 108 117 156 162 234 324 351 468 702 1053 1404 2106 4212 50383001 100766002 151149003 201532004 302298006 453447009 604596012 654979013 906894018 1309958026 1360341027 1813788036 1964937039 2619916052 2720682054 3929874078 4081023081 5441364108 5894811117 7859748156 8162046162 11789622234 16324092324 17684433351 23579244468 35368866702 53053300053 70737733404 106106600106 212213200212