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211201201122212 = 22717834927985847
BaseRepresentation
bin110000000001011000011100…
…100100011010101110100100
31000200210122012211200202022002
4300001120130210122232210
5210140310024441402322
62025104254203224432
762325532436026160
oct6001303444325644
91020718184622262
10211201201122212
1161327a21036344
121b83025ab18118
1390b02597ca2b2
143a2229a9bdca0
151963c6437ac92
hexc0161c91aba4

211201201122212 has 48 divisors (see below), whose sum is σ = 422652807413760. Its totient is φ = 90461145516192.

The previous prime is 211201201122209. The next prime is 211201201122287. The reversal of 211201201122212 is 212221102102112.

It is a super-3 number, since 3×2112012011222123 (a number of 44 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2460161873 + ... + 2460247719.

It is an arithmetic number, because the mean of its divisors is an integer number (8805266821120).

Almost surely, 2211201201122212 is an apocalyptic number.

It is an amenable number.

211201201122212 is an abundant number, since it is smaller than the sum of its proper divisors (211451606291548).

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

211201201122212 is a wasteful number, since it uses less digits than its factorization.

211201201122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136920 (or 136918 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 211201201122212 its reverse (212221102102112), we get a palindrome (423422303224324).

The spelling of 211201201122212 in words is "two hundred eleven trillion, two hundred one billion, two hundred one million, one hundred twenty-two thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 1783 3566 7132 12481 24962 49279 49924 85847 98558 171694 197116 343388 344953 600929 689906 1201858 1379812 2403716 87864457 153065201 175728914 306130402 351457828 612260804 615051199 1071456407 1230102398 2142912814 2460204796 4230454313 4285825628 8460908626 16921817252 29613180191 59226360382 118452720764 7542900040079 15085800080158 30171600160316 52800300280553 105600600561106 211201201122212