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111001011212112 = 24371917387376443
BaseRepresentation
bin11001001111010001101111…
…110101111100111101010000
3112120000121000022202002211120
4121033101233311330331100
5104022120032332241422
61032025054404042240
732244362351445060
oct3117215765747520
9476017008662746
10111001011212112
11324062a004777a
12105488a6093380
1349c2472c01658
141d5a6987b33a0
15cc75ceb2245c
hex64f46fd7cf50

111001011212112 has 80 divisors (see below), whose sum is σ = 344965548648960. Its totient is φ = 30045386491776.

The previous prime is 111001011212111. The next prime is 111001011212137. The reversal of 111001011212112 is 211212110100111.

It is a super-3 number, since 3×1110010112121123 (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 111001011212091 and 111001011212100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111001011212111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8693681838 + ... + 8693694605.

It is an arithmetic number, because the mean of its divisors is an integer number (4312069358112).

Almost surely, 2111001011212112 is an apocalyptic number.

111001011212112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111001011212112 is an abundant number, since it is smaller than the sum of its proper divisors (233964537436848).

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

111001011212112 is a wasteful number, since it uses less digits than its factorization.

111001011212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17387376480 (or 17387376474 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 111001011212112 its reverse (211212110100111), we get a palindrome (322213121312223).

The spelling of 111001011212112 in words is "one hundred eleven trillion, one billion, eleven million, two hundred twelve thousand, one hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 14 16 19 21 24 28 38 42 48 56 57 76 84 112 114 133 152 168 228 266 304 336 399 456 532 798 912 1064 1596 2128 3192 6384 17387376443 34774752886 52162129329 69549505772 104324258658 121711635101 139099011544 208648517316 243423270202 278198023088 330360152417 365134905303 417297034632 486846540404 660720304834 730269810606 834594069264 973693080808 991080457251 1321440609668 1460539621212 1947386161616 1982160914502 2312521066919 2642881219336 2921079242424 3964321829004 4625042133838 5285762438672 5842158484848 6937563200757 7928643658008 9250084267676 13875126401514 15857287316016 18500168535352 27750252803028 37000337070704 55500505606056 111001011212112