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212020112211100 = 22525317139875141
BaseRepresentation
bin110000001101010011000111…
…011110010011110010011100
31000210200220222011101100022021
4300031103013132103302130
5210242214142211223400
62030532410034025524
762441643013315144
oct6015230736236234
91023626864340267
10212020112211100
1161613251a99016
121b942b027182a4
13913c545683c9b
143a4db84777924
15197a1e29e371a
hexc0d4c7793c9c

212020112211100 has 36 divisors (see below), whose sum is σ = 460092307942008. Its totient is φ = 84806447752000.

The previous prime is 212020112211053. The next prime is 212020112211169. The reversal of 212020112211100 is 1112211020212.

212020112211100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14620471 + ... + 25254670.

It is an arithmetic number, because the mean of its divisors is an integer number (12780341887278).

Almost surely, 2212020112211100 is an apocalyptic number.

212020112211100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212020112211100 is an abundant number, since it is smaller than the sum of its proper divisors (248072195730908).

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

212020112211100 is a wasteful number, since it uses less digits than its factorization.

212020112211100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39928326 (or 39928319 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 212020112211100 its reverse (1112211020212), we get a palindrome (213132323231312).

The spelling of 212020112211100 in words is "two hundred twelve trillion, twenty billion, one hundred twelve million, two hundred eleven thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 53171 106342 212684 265855 531710 1063420 1329275 2658550 5317100 39875141 79750282 159500564 199375705 398751410 797502820 996878525 1993757050 3987514100 2120201122111 4240402244222 8480804488444 10601005610555 21202011221110 42404022442220 53005028052775 106010056105550 212020112211100