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212330201200 = 24521340832731
BaseRepresentation
bin1100010110111111011…
…1011100000001110000
3202022001122201210201221
43011233313130001300
511434323012414300
6241313153034424
721224511634315
oct3055767340160
9668048653657
10212330201200
1182059954927
1235198b55a14
131703a9c7210
14a3c38d4d0c
1557cabbc31a
hex316fddc070

212330201200 has 60 divisors (see below), whose sum is σ = 549363576328. Its totient is φ = 78398841600.

The previous prime is 212330201107. The next prime is 212330201201. The reversal of 212330201200 is 2102033212.

It is a super-2 number, since 2×2123302012002 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212330201201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20411166 + ... + 20421565.

Almost surely, 2212330201200 is an apocalyptic number.

212330201200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212330201200 is an abundant number, since it is smaller than the sum of its proper divisors (337033375128).

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

212330201200 is a wasteful number, since it uses less digits than its factorization.

212330201200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40832762 (or 40832751 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 212330201200 its reverse (2102033212), we get a palindrome (214432234412).

The spelling of 212330201200 in words is "two hundred twelve billion, three hundred thirty million, two hundred one thousand, two hundred".

Divisors: 1 2 4 5 8 10 13 16 20 25 26 40 50 52 65 80 100 104 130 200 208 260 325 400 520 650 1040 1300 2600 5200 40832731 81665462 163330924 204163655 326661848 408327310 530825503 653323696 816654620 1020818275 1061651006 1633309240 2041636550 2123302012 2654127515 3266618480 4083273100 4246604024 5308255030 8166546200 8493208048 10616510060 13270637575 16333092400 21233020120 26541275150 42466040240 53082550300 106165100600 212330201200