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2122212001210 = 257432617269413
BaseRepresentation
bin11110111000011101101…
…100010100010110111010
321111212210121021202200021
4132320131230110112322
5234232242233014320
64302533012201054
7306216251242420
oct36703554242672
97455717252607
102122212001210
11749030392184
122a337060918a
1312517bac27a2
1474a038b9110
153a30c270daa
hex1ee1db145ba

2122212001210 has 64 divisors (see below), whose sum is σ = 4468944598272. Its totient is φ = 710420046336.

The previous prime is 2122212001199. The next prime is 2122212001369. The reversal of 2122212001210 is 121002122212.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7742464 + ... + 8011876.

It is an arithmetic number, because the mean of its divisors is an integer number (69827259348).

Almost surely, 22122212001210 is an apocalyptic number.

2122212001210 is an abundant number, since it is smaller than the sum of its proper divisors (2346732597062).

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

2122212001210 is a wasteful number, since it uses less digits than its factorization.

2122212001210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272087.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2122212001210 its reverse (121002122212), we get a palindrome (2243214123422).

The spelling of 2122212001210 in words is "two trillion, one hundred twenty-two billion, two hundred twelve million, one thousand, two hundred ten".

Divisors: 1 2 5 7 10 14 35 43 70 86 215 301 430 602 1505 2617 3010 5234 13085 18319 26170 36638 91595 112531 183190 225062 269413 538826 562655 787717 1125310 1347065 1575434 1885891 2694130 3771782 3938585 7877170 9429455 11584759 18858910 23169518 57923795 81093313 115847590 162186626 405466565 705053821 810933130 1410107642 3525269105 4935376747 7050538210 9870753494 24676883735 30317314303 49353767470 60634628606 151586571515 212221200121 303173143030 424442400242 1061106000605 2122212001210