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22112012210200 = 235211171537738449
BaseRepresentation
bin1010000011100010110101…
…01000100001000000011000
32220021212222011001012110121
411001301122220201000120
510344240400111211300
6115010041305323024
74441353163425313
oct501613250410030
986255864035417
1022112012210200
117055719485270
122591558196474
13c451ccba5c13
1456632724797a
152852b693181a
hex141c5aa21018

22112012210200 has 192 divisors, whose sum is σ = 59388575004000. Its totient is φ = 7567058534400.

The previous prime is 22112012210173. The next prime is 22112012210207. The reversal of 22112012210200 is 201221021122.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112012210207) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 575080576 + ... + 575119024.

Almost surely, 222112012210200 is an apocalyptic number.

22112012210200 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 22112012210200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29694287502000).

22112012210200 is an abundant number, since it is smaller than the sum of its proper divisors (37276562793800).

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

22112012210200 is a wasteful number, since it uses less digits than its factorization.

22112012210200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53870 (or 53861 counting only the distinct ones).

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

Adding to 22112012210200 its reverse (201221021122), we get a palindrome (22313233231322).

The spelling of 22112012210200 in words is "twenty-two trillion, one hundred twelve billion, twelve million, two hundred ten thousand, two hundred".