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222221020202012 = 2213237110125910407
BaseRepresentation
bin110010100001101111011100…
…111110001000010000011100
31002010211010021222110000000002
4302201233130332020100130
5213111332122132431022
62104342532150353432
764543640016506336
oct6241573476102034
91063733258400002
10222221020202012
1164896450683247
1220b0bb0a05b878
1396cc476c922b0
143cc37aa3c4456
151aa572a965092
hexca1bdcf8841c

222221020202012 has 96 divisors (see below), whose sum is σ = 447552757499904. Its totient is φ = 95764860576000.

The previous prime is 222221020202009. The next prime is 222221020202033. The reversal of 222221020202012 is 210202020122222.

It is a congruent 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, 4378688 + ... + 21531719.

It is an arithmetic number, because the mean of its divisors is an integer number (4662007890624).

Almost surely, 2222221020202012 is an apocalyptic number.

It is an amenable number.

222221020202012 is an abundant number, since it is smaller than the sum of its proper divisors (225331737297892).

222221020202012 is a wasteful number, since it uses less digits than its factorization.

222221020202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25910619 (or 25910617 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 222221020202012 its reverse (210202020122222), we get a palindrome (432423040324234).

The spelling of 222221020202012 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, twenty million, two hundred two thousand, twelve".

Divisors: 1 2 4 13 23 26 46 52 71 92 101 142 202 284 299 404 598 923 1196 1313 1633 1846 2323 2626 3266 3692 4646 5252 6532 7171 9292 14342 21229 28684 30199 42458 60398 84916 93223 120796 164933 186446 329866 372892 659732 2144129 4288258 8576516 25910407 51820814 103641628 336835291 595939361 673670582 1191878722 1347341164 1839638897 2383757444 2616951107 3679277794 5233902214 7358555588 7747211693 10467804428 15494423386 23915305661 30988846772 34020364391 42311694631 47830611322 60189875461 68040728782 84623389262 95661222644 120379750922 136081457564 169246778524 185803528597 240759501844 371607057194 550052030203 743214114388 782468380993 1100104060406 1564936761986 2200208120812 2415445871761 3129873523972 4273481157731 4830891743522 8546962315462 9661783487044 17093924630924 55555255050503 111110510101006 222221020202012