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212020121102210 = 25474793547265511
BaseRepresentation
bin110000001101010011001000…
…000000001110011110000010
31000210200220222210010001121122
4300031103020000032132002
5210242214202000232320
62030532410552352242
762441643152015561
oct6015231000163602
91023626883101548
10212020121102210
1161613257011043
121b942b056a5682
13913c547477bb5
143a4db85a0dbd8
15197a1e369cd25
hexc0d4c800e782

212020121102210 has 64 divisors (see below), whose sum is σ = 390681408798720. Its totient is φ = 82806672553920.

The previous prime is 212020121102177. The next prime is 212020121102243. The reversal of 212020121102210 is 12201121020212.

It is an interprime number because it is at equal distance from previous prime (212020121102177) and next prime (212020121102243).

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, 798403355 + ... + 798668865.

It is an arithmetic number, because the mean of its divisors is an integer number (6104397012480).

Almost surely, 2212020121102210 is an apocalyptic number.

212020121102210 is a deficient number, since it is larger than the sum of its proper divisors (178661287696510).

212020121102210 is a wasteful number, since it uses less digits than its factorization.

212020121102210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269591.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212020121102210 its reverse (12201121020212), we get a palindrome (224221242122422).

The spelling of 212020121102210 in words is "two hundred twelve trillion, twenty billion, one hundred twenty-one million, one hundred two thousand, two hundred ten".

Divisors: 1 2 5 10 47 94 235 470 479 958 2395 3547 4790 7094 17735 22513 35470 45026 112565 166709 225130 265511 333418 531022 833545 1327555 1667090 1699013 2655110 3398026 8495065 12479017 16990130 24958034 62395085 79853611 124790170 127179769 159707222 254359538 399268055 635898845 798536110 941767517 1271797690 1883535034 4708837585 5977449143 9417675170 11954898286 29887245715 44263073299 59774491430 88526146598 221315366495 442630732990 451106640643 902213281286 2255533203215 4511066406430 21202012110221 42404024220442 106010060551105 212020121102210