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212112201201200 = 24524322215552501
BaseRepresentation
bin110000001110101000111000…
…011001111011011000110000
31000211000201200000001202010022
4300032220320121323120300
5210300221242001414300
62031043000000423012
762451413036651636
oct6016507031733060
91024021600052108
10212112201201200
1161649308908303
121b958923017a68
13914813020a981
143a543dcc97356
15197c7d2460285
hexc0ea3867b630

212112201201200 has 120 divisors (see below), whose sum is σ = 521685591930096. Its totient is φ = 82834416000000.

The previous prime is 212112201201149. The next prime is 212112201201203. The reversal of 212112201201200 is 2102102211212.

It is not an unprimeable number, because it can be changed into a prime (212112201201203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35424950 + ... + 40977450.

Almost surely, 2212112201201200 is an apocalyptic number.

212112201201200 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 212112201201200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260842795965048).

212112201201200 is an abundant number, since it is smaller than the sum of its proper divisors (309573390728896).

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

212112201201200 is a wasteful number, since it uses less digits than its factorization.

212112201201200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5554783 (or 5554772 counting only the distinct ones).

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

Adding to 212112201201200 its reverse (2102102211212), we get a palindrome (214214303412412).

The spelling of 212112201201200 in words is "two hundred twelve trillion, one hundred twelve billion, two hundred one million, two hundred one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 43 50 80 86 100 172 200 215 344 400 430 688 860 1075 1720 2150 2221 3440 4300 4442 8600 8884 11105 17200 17768 22210 35536 44420 55525 88840 95503 111050 177680 191006 222100 382012 444200 477515 764024 888400 955030 1528048 1910060 2387575 3820120 4775150 5552501 7640240 9550300 11105002 19100600 22210004 27762505 38201200 44420008 55525010 88840016 111050020 138812525 222100040 238757543 277625050 444200080 477515086 555250100 955030172 1110500200 1193787715 1910060344 2221000400 2387575430 3820120688 4775150860 5968938575 9550301720 11937877150 12332104721 19100603440 23875754300 24664209442 47751508600 49328418884 61660523605 95503017200 98656837768 123321047210 197313675536 246642094420 308302618025 493284188840 530280503003 616605236050 986568377680 1060561006006 1233210472100 2121122012012 2466420944200 2651402515015 4242244024024 4932841888400 5302805030030 8484488048048 10605610060060 13257012575075 21211220120120 26514025150150 42422440240240 53028050300300 106056100600600 212112201201200