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212112200120200 = 235253105119039567
BaseRepresentation
bin110000001110101000111000…
…010101110011011110001000
31000211000201122221000211021021
4300032220320111303132020
5210300221241212321300
62031042555521322224
762451413024530222
oct6016507025633610
91024021587024237
10212112200120200
116164930823a116
121b958922796374
13914812cc1c923
143a543dca95412
15197c7d22e9d1a
hexc0ea38573788

212112200120200 has 96 divisors (see below), whose sum is σ = 502943897208960. Its totient is φ = 83164824288000.

The previous prime is 212112200120159. The next prime is 212112200120257. The reversal of 212112200120200 is 2021002211212.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1620817 + ... + 20660383.

It is an arithmetic number, because the mean of its divisors is an integer number (5238998929260).

Almost surely, 2212112200120200 is an apocalyptic number.

212112200120200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212112200120200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251471948604480).

212112200120200 is an abundant number, since it is smaller than the sum of its proper divisors (290831697088760).

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

212112200120200 is a wasteful number, since it uses less digits than its factorization.

212112200120200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19040687 (or 19040678 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212112200120200 its reverse (2021002211212), we get a palindrome (214133202331412).

The spelling of 212112200120200 in words is "two hundred twelve trillion, one hundred twelve billion, two hundred million, one hundred twenty thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 53 100 106 200 212 265 424 530 1051 1060 1325 2102 2120 2650 4204 5255 5300 8408 10510 10600 21020 26275 42040 52550 55703 105100 111406 210200 222812 278515 445624 557030 1114060 1392575 2228120 2785150 5570300 11140600 19039567 38079134 76158268 95197835 152316536 190395670 380791340 475989175 761582680 951978350 1009097051 1903956700 2018194102 3807913400 4036388204 5045485255 8072776408 10090970510 20010584917 20181941020 25227426275 40021169834 40363882040 50454852550 80042339668 100052924585 100909705100 160084679336 200105849170 201819410200 400211698340 500264622925 800423396680 1000529245850 1060561000601 2001058491700 2121122001202 4002116983400 4242244002404 5302805003005 8484488004808 10605610006010 21211220012020 26514025015025 42422440024040 53028050030050 106056100060100 212112200120200