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212020122101212 = 221987101681262349
BaseRepresentation
bin110000001101010011001000…
…000100000010010111011100
31000210200220222211222210222201
4300031103020010002113130
5210242214202224214322
62030532411030021244
762441643163346245
oct6015231004022734
91023626884883881
10212020122101212
1161613257633667
121b942b05aa7824
13913c547737819
143a4db85bcdccc
15197a1e37e8d27
hexc0d4c81025dc

212020122101212 has 24 divisors (see below), whose sum is σ = 371227010893200. Its totient is φ = 105955263310080.

The previous prime is 212020122101141. The next prime is 212020122101233. The reversal of 212020122101212 is 212101221020212.

It is a self number, because there is not a number n which added to its sum of digits gives 212020122101212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 808029414 + ... + 808291762.

It is an arithmetic number, because the mean of its divisors is an integer number (15467792120550).

Almost surely, 2212020122101212 is an apocalyptic number.

It is an amenable number.

212020122101212 is a deficient number, since it is larger than the sum of its proper divisors (159206888791988).

212020122101212 is a wasteful number, since it uses less digits than its factorization.

212020122101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366021 (or 366019 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 212020122101212 its reverse (212101221020212), we get a palindrome (424121343121424).

The spelling of 212020122101212 in words is "two hundred twelve trillion, twenty billion, one hundred twenty-two million, one hundred one thousand, two hundred twelve".

Divisors: 1 2 4 1987 3974 7948 101681 203362 262349 406724 524698 1049396 202040147 404080294 521287463 808160588 1042574926 2085149852 26675908669 53351817338 106703634676 53005030525303 106010061050606 212020122101212