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212201022010 = 25293424117077
BaseRepresentation
bin1100010110100000101…
…0101010001000111010
3202021201122122211012111
43011220022222020322
511434041430201020
6241252300202534
721221352632515
oct3055012521072
9667648584174
10212201022010
1181aa2a4366a
123516183944a
131701a008223
14a3b06a9d7c
1557be6a1d5a
hex31682aa23a

212201022010 has 32 divisors (see below), whose sum is σ = 383378283792. Its totient is φ = 84565816320.

The previous prime is 212201022001. The next prime is 212201022013. The reversal of 212201022010 is 10220102212.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 195676176609 + 16524845401 = 442353^2 + 128549^2 .

It is not an unprimeable number, because it can be changed into a prime (212201022013) 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, 12417592 + ... + 12434668.

Almost surely, 2212201022010 is an apocalyptic number.

212201022010 is a deficient number, since it is larger than the sum of its proper divisors (171177261782).

212201022010 is a wasteful number, since it uses less digits than its factorization.

212201022010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21618.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 212201022010 its reverse (10220102212), we get a palindrome (222421124222).

The spelling of 212201022010 in words is "two hundred twelve billion, two hundred one million, twenty-two thousand, ten".

Divisors: 1 2 5 10 293 586 1465 2930 4241 8482 17077 21205 34154 42410 85385 170770 1242613 2485226 5003561 6213065 10007122 12426130 25017805 50035610 72423557 144847114 362117785 724235570 21220102201 42440204402 106100511005 212201022010