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2112020211200 = 29521011633679
BaseRepresentation
bin11110101110111110001…
…101101110011000000000
321110220111022122012010012
4132232332031232120000
5234100404133224300
64254125414524052
7305405554406054
oct36567615563000
97426438565105
102112020211200
11744780392529
122a13a7366628
13124216463c03
14743180adc64
1539e1262b435
hex1ebbe36e600

2112020211200 has 120 divisors (see below), whose sum is σ = 5284507171680. Its totient is φ = 836443136000.

The previous prime is 2112020211179. The next prime is 2112020211227. The reversal of 2112020211200 is 21120202112.

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, 475961 + ... + 2109639.

It is an arithmetic number, because the mean of its divisors is an integer number (44037559764).

Almost surely, 22112020211200 is an apocalyptic number.

2112020211200 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 2112020211200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2642253585840).

2112020211200 is an abundant number, since it is smaller than the sum of its proper divisors (3172486960480).

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

2112020211200 is a wasteful number, since it uses less digits than its factorization.

2112020211200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1633808 (or 1633787 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2112020211200 its reverse (21120202112), we get a palindrome (2133140413312).

2112020211200 divided by its reverse (21120202112) gives a square (100 = 102).

The spelling of 2112020211200 in words is "two trillion, one hundred twelve billion, twenty million, two hundred eleven thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 101 128 160 200 202 256 320 400 404 505 512 640 800 808 1010 1280 1600 1616 2020 2525 2560 3200 3232 4040 5050 6400 6464 8080 10100 12800 12928 16160 20200 25856 32320 40400 51712 64640 80800 129280 161600 258560 323200 646400 1292800 1633679 3267358 6534716 8168395 13069432 16336790 26138864 32673580 40841975 52277728 65347160 81683950 104555456 130694320 163367900 165001579 209110912 261388640 326735800 330003158 418221824 522777280 653471600 660006316 825007895 836443648 1045554560 1306943200 1320012632 1650015790 2091109120 2613886400 2640025264 3300031580 4125039475 4182218240 5227772800 5280050528 6600063160 8250078950 10455545600 10560101056 13200126320 16500157900 20911091200 21120202112 26400252640 33000315800 42240404224 52800505280 66000631600 84480808448 105601010560 132001263200 211202021120 264002526400 422404042240 528005052800 1056010105600 2112020211200