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212012010220100 = 22527971937325401
BaseRepresentation
bin110000001101001011100100…
…100011101010101001000100
31000210200011001112001120001112
4300031023210203222221010
5210242101044104020400
62030524550052144152
762441235153451136
oct6015134443525104
91023604045046045
10212012010220100
116160a87469a292
121b941421308058
13913b853c8107c
143a4d616721056
151979dbb59d835
hexc0d2e48eaa44

212012010220100 has 72 divisors (see below), whose sum is σ = 466537664678400. Its totient is φ = 83614868064000.

The previous prime is 212012010220081. The next prime is 212012010220121. The reversal of 212012010220100 is 1022010210212.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12982601 + ... + 24342800.

It is an arithmetic number, because the mean of its divisors is an integer number (6479689787200).

Almost surely, 2212012010220100 is an apocalyptic number.

212012010220100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212012010220100 is an abundant number, since it is smaller than the sum of its proper divisors (254525654458300).

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

212012010220100 is a wasteful number, since it uses less digits than its factorization.

212012010220100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37326213 (or 37326206 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212012010220100 its reverse (1022010210212), we get a palindrome (213034020430312).

The spelling of 212012010220100 in words is "two hundred twelve trillion, twelve billion, ten million, two hundred twenty thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 79 100 158 316 395 719 790 1438 1580 1975 2876 3595 3950 7190 7900 14380 17975 35950 56801 71900 113602 227204 284005 568010 1136020 1420025 2840050 5680100 37325401 74650802 149301604 186627005 373254010 746508020 933135025 1866270050 2948706679 3732540100 5897413358 11794826716 14743533395 26836963319 29487066790 53673926638 58974133580 73717666975 107347853276 134184816595 147435333950 268369633190 294870667900 536739266380 670924082975 1341848165950 2120120102201 2683696331900 4240240204402 8480480408804 10600600511005 21201201022010 42402402044020 53003002555025 106006005110050 212012010220100