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11212002012122 = 231899907205097
BaseRepresentation
bin1010001100100111111101…
…1001011010101111011010
31110200212010200211202021022
42203021333121122233122
52432144140003341442
635502420030242442
72235016601434322
oct243117731325732
943625120752238
1011212002012122
113632a8a92649a
121310b64956422
13634397130842
142aa94163a282
151469b364a3d2
hexa327f65abda

11212002012122 has 32 divisors (see below), whose sum is σ = 17557438901760. Its totient is φ = 5363637776640.

The previous prime is 11212002012067. The next prime is 11212002012139. The reversal of 11212002012122 is 22121020021211.

It is a self number, because there is not a number n which added to its sum of digits gives 11212002012122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54564278 + ... + 54769374.

It is an arithmetic number, because the mean of its divisors is an integer number (548669965680).

Almost surely, 211212002012122 is an apocalyptic number.

11212002012122 is a deficient number, since it is larger than the sum of its proper divisors (6345436889638).

11212002012122 is a wasteful number, since it uses less digits than its factorization.

11212002012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215126.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11212002012122 its reverse (22121020021211), we get a palindrome (33333022033333).

The spelling of 11212002012122 in words is "eleven trillion, two hundred twelve billion, two million, twelve thousand, one hundred twenty-two".

Divisors: 1 2 31 62 89 178 2759 5518 9907 19814 205097 307117 410194 614234 881723 1763446 6358007 12716014 18253633 27333413 36507266 54666826 565862623 1131725246 2031895979 4063791958 62988775349 125977550698 180838742131 361677484262 5606001006061 11212002012122