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222112212010112 = 2747163226504589
BaseRepresentation
bin110010100000001010000111…
…011111110100010010000000
31002010102201102221122010222202
4302200022013133310102000
5213103041302233310422
62104220535213252332
764533035446235144
oct6240120737642200
91063381387563882
10222112212010112
1164854295254206
1220ab2a024940a8
1396c212667bca8
143cbc4075db224
151aa29ad2dab92
hexca02877f4480

222112212010112 has 64 divisors (see below), whose sum is σ = 454676253782400. Its totient is φ = 108026380145664.

The previous prime is 222112212010111. The next prime is 222112212010123. The reversal of 222112212010112 is 211010212211222.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (222112212010111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112271687 + ... + 114232902.

It is an arithmetic number, because the mean of its divisors is an integer number (7104316465350).

Almost surely, 2222112212010112 is an apocalyptic number.

It is an amenable number.

222112212010112 is an abundant number, since it is smaller than the sum of its proper divisors (232564041772288).

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

222112212010112 is a wasteful number, since it uses less digits than its factorization.

222112212010112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226504813 (or 226504801 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 222112212010112 its reverse (211010212211222), we get a palindrome (433122424221334).

The spelling of 222112212010112 in words is "two hundred twenty-two trillion, one hundred twelve billion, two hundred twelve million, ten thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 47 64 94 128 163 188 326 376 652 752 1304 1504 2608 3008 5216 6016 7661 10432 15322 20864 30644 61288 122576 245152 490304 980608 226504589 453009178 906018356 1812036712 3624073424 7248146848 10645715683 14496293696 21291431366 28992587392 36920248007 42582862732 73840496014 85165725464 147680992028 170331450928 295361984056 340662901856 590723968112 681325803712 1181447936224 1362651607424 1735251656329 2362895872448 3470503312658 4725791744896 6941006625316 13882013250632 27764026501264 55528053002528 111056106005056 222112212010112