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222120131012 = 22136779807017
BaseRepresentation
bin1100111011011101100…
…1000011100111000100
3210020022221012202201222
43032313121003213010
512114400223143022
6250012433135512
722022225650613
oct3166731034704
9706287182658
10222120131012
118622302900a
123706b6ba598
1317c3b0128b0
14aa71bb387a
155ba03d2242
hex33b76439c4

222120131012 has 48 divisors (see below), whose sum is σ = 430237436160. Its totient is φ = 99708440832.

The previous prime is 222120130957. The next prime is 222120131029. The reversal of 222120131012 is 210131021222.

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, 128273 + ... + 678744.

It is an arithmetic number, because the mean of its divisors is an integer number (8963279920).

Almost surely, 2222120131012 is an apocalyptic number.

It is an amenable number.

222120131012 is a deficient number, since it is larger than the sum of its proper divisors (208117305148).

222120131012 is a wasteful number, since it uses less digits than its factorization.

222120131012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807180 (or 807178 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 222120131012 its reverse (210131021222), we get a palindrome (432251152234).

The spelling of 222120131012 in words is "two hundred twenty-two billion, one hundred twenty million, one hundred thirty-one thousand, twelve".

Divisors: 1 2 4 13 26 52 67 79 134 158 268 316 871 1027 1742 2054 3484 4108 5293 10586 21172 68809 137618 275236 807017 1614034 3228068 10491221 20982442 41964884 54070139 63754343 108140278 127508686 216280556 255017372 702911807 828806459 1405823614 1657612918 2811647228 3315225836 4271540981 8543081962 17086163924 55530032753 111060065506 222120131012