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211202021212212 = 2232323111576721001
BaseRepresentation
bin110000000001011001001101…
…011100110100000000110100
31000200210201022222211122021210
4300001121031130310000310
5210140313214412242322
62025104511420441420
762325561654465132
oct6001311534640064
91020721288748253
10211202021212212
1161328301a49078
121b8304496a9270
1390b035a695554
143a22337898752
151963cb137070c
hexc0164d734034

211202021212212 has 96 divisors (see below), whose sum is σ = 514510649339904. Its totient is φ = 67303162080000.

The previous prime is 211202021212211. The next prime is 211202021212219. The reversal of 211202021212212 is 212212120202112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211202021212211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10056749712 + ... + 10056770712.

It is an arithmetic number, because the mean of its divisors is an integer number (5359485930624).

Almost surely, 2211202021212212 is an apocalyptic number.

It is an amenable number.

211202021212212 is an abundant number, since it is smaller than the sum of its proper divisors (303308628127692).

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

211202021212212 is a wasteful number, since it uses less digits than its factorization.

211202021212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39109 (or 39107 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 211202021212212 its reverse (212212120202112), we get a palindrome (423414141414324).

The spelling of 211202021212212 in words is "two hundred eleven trillion, two hundred two billion, twenty-one million, two hundred twelve thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 2311 4622 6933 9244 13866 15767 21001 27732 31534 42002 47301 53153 63003 63068 84004 94602 106306 126006 159459 189204 212612 252012 318918 362641 483023 637836 725282 966046 1087923 1449069 1450564 1932092 2175846 2898138 4351692 5796276 36437537 48533311 72875074 97066622 109312611 145599933 145750148 194133244 218625222 291199866 331122767 437250444 582399732 662245534 838063351 993368301 1116266153 1324491068 1676126702 1986736602 2232532306 2514190053 3348798459 3352253404 3973473204 4465064612 5028380106 6697596918 7615823641 10056760212 13395193836 15231647282 22847470923 30463294564 45694941846 91389883692 765224714537 1530449429074 2295674143611 3060898858148 4591348287222 9182696574444 17600168434351 35200336868702 52800505303053 70400673737404 105601010606106 211202021212212