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212102001210 = 235112281281777
BaseRepresentation
bin1100010110001001000…
…0111011001000111010
3202021110202100001012110
43011202100323020322
511433341103014320
6241234401553150
721216041156241
oct3054220731072
9667422301173
10212102001210
1181a520608a0
12351346457b6
1317002648338
14a3a1491958
1557b5b425e0
hex316243b23a

212102001210 has 64 divisors (see below), whose sum is σ = 555567030144. Its totient is φ = 51395942400.

The previous prime is 212102001187. The next prime is 212102001227. The reversal of 212102001210 is 12100201212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 611842 + ... + 893618.

It is an arithmetic number, because the mean of its divisors is an integer number (8680734846).

Almost surely, 2212102001210 is an apocalyptic number.

212102001210 is an abundant number, since it is smaller than the sum of its proper divisors (343465028934).

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

212102001210 is a wasteful number, since it uses less digits than its factorization.

212102001210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284079.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 212102001210 its reverse (12100201212), we get a palindrome (224202202422).

The spelling of 212102001210 in words is "two hundred twelve billion, one hundred two million, one thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 2281 4562 6843 11405 13686 22810 25091 34215 50182 68430 75273 125455 150546 250910 281777 376365 563554 752730 845331 1408885 1690662 2817770 3099547 4226655 6199094 8453310 9298641 15497735 18597282 30995470 46493205 92986410 642733337 1285466674 1928200011 3213666685 3856400022 6427333370 7070066707 9641000055 14140133414 19282000110 21210200121 35350333535 42420400242 70700667070 106051000605 212102001210