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222202201212212 = 221383661142754581
BaseRepresentation
bin110010100001011101111011…
…010001011000010100110100
31002010202022201110012021011212
4302201131323101120110310
5213111030102002242322
62104330140530220552
764542402454650014
oct6241357321302464
91063668643167155
10222202201212212
116488947386a711
1220b08337724758
1396ca768190480
143cc2902cc7c44
151aa4ec87330e2
hexca177b458534

222202201212212 has 96 divisors (see below), whose sum is σ = 424757448872064. Its totient is φ = 101093233190400.

The previous prime is 222202201212197. The next prime is 222202201212241. The reversal of 222202201212212 is 212212102202222.

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, 4071026762 + ... + 4071081342.

It is an arithmetic number, because the mean of its divisors is an integer number (4424556759084).

Almost surely, 2222202201212212 is an apocalyptic number.

It is an amenable number.

222202201212212 is a deficient number, since it is larger than the sum of its proper divisors (202555247659852).

222202201212212 is a wasteful number, since it uses less digits than its factorization.

222202201212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56769 (or 56767 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 222202201212212 its reverse (212212102202222), we get a palindrome (434414303414434).

The spelling of 222202201212212 in words is "two hundred twenty-two trillion, two hundred two billion, two hundred one million, two hundred twelve thousand, two hundred twelve".

Divisors: 1 2 4 13 26 52 83 166 332 661 1079 1322 1427 2158 2644 2854 4316 5708 8593 17186 18551 34372 37102 54581 54863 74204 109162 109726 118441 218324 219452 236882 473764 709553 713219 943247 1419106 1426438 1539733 1886494 2838212 2852876 3079466 3772988 4530223 6158932 9060446 12262211 18120892 24524422 36078041 49048844 58892899 72156082 77887087 78289501 117785798 144312164 155774174 156579002 235571596 311548348 313158004 469014533 938029066 1012532131 1017763513 1876058132 2025064262 2035527026 2994477403 4050128524 4071054052 5988954806 6464628221 11977909612 12929256442 25858512884 38928206239 51483364507 77856412478 84040166873 102966729014 155712824956 168080333746 205933458028 336160667492 669283738591 1338567477182 2677134954364 4273119254081 8546238508162 17092477016324 55550550303053 111101100606106 222202201212212