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222120202020212 = 224127110934572511
BaseRepresentation
bin110010100000010001100011…
…101111010010010101110100
31002010110111001210020201022202
4302200101203233102111310
5213103204133204121322
62104224340115044032
764533440446220216
oct6240214357222564
91063414053221282
10222120202020212
1164857715419041
1220ab44722a0618
1396c2acab05012
143cbc9648245b6
151aa2cc99b1292
hexca0463bd2574

222120202020212 has 48 divisors (see below), whose sum is σ = 400026175739904. Its totient is φ = 107852707872000.

The previous prime is 222120202020173. The next prime is 222120202020221. The reversal of 222120202020212 is 212020202021222.

It is a congruent number.

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, 46291037 + ... + 50863547.

It is an arithmetic number, because the mean of its divisors is an integer number (8333878661248).

Almost surely, 2222120202020212 is an apocalyptic number.

It is an amenable number.

222120202020212 is a deficient number, since it is larger than the sum of its proper divisors (177905973719692).

222120202020212 is a wasteful number, since it uses less digits than its factorization.

222120202020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4573920 (or 4573918 counting only the distinct ones).

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

Adding to 222120202020212 its reverse (212020202021222), we get a palindrome (434140404041434).

It can be divided in two parts, 22 and 2120202020212, that multiplied together give a palindrome (46644444444664).

The spelling of 222120202020212 in words is "two hundred twenty-two trillion, one hundred twenty billion, two hundred two million, twenty thousand, two hundred twelve".

Divisors: 1 2 4 41 82 164 271 542 1084 1093 2186 4372 11111 22222 44444 44813 89626 179252 296203 592406 1184812 4572511 9145022 12144323 18290044 24288646 48577292 187472951 374945902 749891804 1239150481 2478300962 4956601924 4997754523 9995509046 19991018092 50805169721 101610339442 203220678884 204907935443 409815870886 819631741772 1354391475733 2708782951466 5417565902932 55530050505053 111060101010106 222120202020212