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210200221201212 = 2232114507117774271
BaseRepresentation
bin101111110010110100001101…
…100001000011001100111100
31000120020221111211101011220200
4233302310031201003030330
5210022410023111414322
62023020352025443500
762163315302054454
oct5762641541031474
91016227454334820
10210200221201212
1160a8145aa61290
121b6aa264940590
139039a46504958
1439c9a60374d64
151947bcba9c8ac
hexbf2d0d84333c

210200221201212 has 72 divisors (see below), whose sum is σ = 579771648648192. Its totient is φ = 63682903274400.

The previous prime is 210200221201211. The next prime is 210200221201319. The reversal of 210200221201212 is 212102122002012.

It is a happy number.

210200221201212 is a `hidden beast` number, since 2 + 10 + 20 + 0 + 221 + 201 + 212 = 666.

210200221201212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210200221201211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57102364 + ... + 60671907.

Almost surely, 2210200221201212 is an apocalyptic number.

210200221201212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

210200221201212 is an abundant number, since it is smaller than the sum of its proper divisors (369571427446980).

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

210200221201212 is a wasteful number, since it uses less digits than its factorization.

210200221201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117778799 (or 117778794 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 210200221201212 its reverse (212102122002012), we get a palindrome (422302343203224).

The spelling of 210200221201212 in words is "two hundred ten trillion, two hundred billion, two hundred twenty-one million, two hundred one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 198 396 4507 9014 13521 18028 27042 40563 49577 54084 81126 99154 148731 162252 198308 297462 446193 594924 892386 1784772 117774271 235548542 353322813 471097084 706645626 1059968439 1295516981 1413291252 2119936878 2591033962 3886550943 4239873756 5182067924 7773101886 11659652829 15546203772 23319305658 46638611316 530808639397 1061617278794 1592425918191 2123234557588 3184851836382 4777277754573 5838895033367 6369703672764 9554555509146 11677790066734 17516685100101 19109111018292 23355580133468 35033370200202 52550055300303 70066740400404 105100110600606 210200221201212