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20212100110212 = 2234783114312003
BaseRepresentation
bin1001001100001111111110…
…00011000001011110000100
32122120020222000020110220020
410212013333003001132010
510122123340112011322
6110553151031335140
74154163453144063
oct446077703013604
978506860213806
1020212100110212
1164929a364711a
1223252a75214b0
13b37cba41942a
144dc3b137a1da
15250b6a75305c
hex1261ff0c1784

20212100110212 has 48 divisors (see below), whose sum is σ = 48170811021312. Its totient is φ = 6593223538080.

The previous prime is 20212100110201. The next prime is 20212100110273. The reversal of 20212100110212 is 21201100121202.

It is a junction number, because it is equal to n+sod(n) for n = 20212100110191 and 20212100110200.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2531403 + ... + 6843405.

It is an arithmetic number, because the mean of its divisors is an integer number (1003558562944).

Almost surely, 220212100110212 is an apocalyptic number.

It is an amenable number.

20212100110212 is an abundant number, since it is smaller than the sum of its proper divisors (27958710911100).

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

20212100110212 is a wasteful number, since it uses less digits than its factorization.

20212100110212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4320368 (or 4320366 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20212100110212 its reverse (21201100121202), we get a palindrome (41413200231414).

The spelling of 20212100110212 in words is "twenty trillion, two hundred twelve billion, one hundred million, one hundred ten thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 47 94 141 188 282 564 8311 16622 24933 33244 49866 99732 390617 781234 1171851 1562468 2343702 4312003 4687404 8624006 12936009 17248012 25872018 51744036 202664141 405328282 607992423 810656564 1215984846 2431969692 35837056933 71674113866 107511170799 143348227732 215022341598 430044683196 1684341675851 3368683351702 5053025027553 6737366703404 10106050055106 20212100110212