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22010010121212 = 2238920608623709
BaseRepresentation
bin1010000000100100110101…
…10101011011001111111100
32212221010200110010012102220
411000102122311123033330
510341103000042334322
6114451131542445340
74431112366114551
oct500223265331774
985833613105386
1022010010121212
117016435a06073
12257582ba33850
13c386c566a349
1456140c346a28
152827e6a7055c
hex14049ad5b3fc

22010010121212 has 24 divisors (see below), whose sum is σ = 51933731749200. Its totient is φ = 7254235545216.

The previous prime is 22010010121091. The next prime is 22010010121219. The reversal of 22010010121212 is 21212101001022.

It is a junction number, because it is equal to n+sod(n) for n = 22010010121191 and 22010010121200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22010010121219) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10304310787 + ... + 10304312922.

It is an arithmetic number, because the mean of its divisors is an integer number (2163905489550).

Almost surely, 222010010121212 is an apocalyptic number.

It is an amenable number.

22010010121212 is an abundant number, since it is smaller than the sum of its proper divisors (29923721627988).

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

22010010121212 is a wasteful number, since it uses less digits than its factorization.

22010010121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20608623805 (or 20608623803 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22010010121212 its reverse (21212101001022), we get a palindrome (43222111122234).

The spelling of 22010010121212 in words is "twenty-two trillion, ten billion, ten million, one hundred twenty-one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 89 178 267 356 534 1068 20608623709 41217247418 61825871127 82434494836 123651742254 247303484508 1834167510101 3668335020202 5502502530303 7336670040404 11005005060606 22010010121212