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12422012200 = 23521317463607
BaseRepresentation
bin10111001000110100…
…01101110100101000
31012001201012121020221
423210122031310220
5200420013342300
65412342455424
7616554235003
oct134432156450
935051177227
1012422012200
1152a49a1694
1224a8134574
13122c7123a0
1485bab253a
154ca83131a
hex2e468dd28

12422012200 has 192 divisors, whose sum is σ = 33057884160. Its totient is φ = 4300369920.

The previous prime is 12422012159. The next prime is 12422012203. The reversal of 12422012200 is 221022421.

It is not an unprimeable number, because it can be changed into a prime (12422012203) 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, 20464297 + ... + 20464903.

It is an arithmetic number, because the mean of its divisors is an integer number (172176480).

Almost surely, 212422012200 is an apocalyptic number.

12422012200 is a gapful number since it is divisible by the number (10) 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 12422012200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16528942080).

12422012200 is an abundant number, since it is smaller than the sum of its proper divisors (20635871960).

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

12422012200 is a wasteful number, since it uses less digits than its factorization.

12422012200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116 (or 1107 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12422012200 its reverse (221022421), we get a palindrome (12643034621).

The spelling of 12422012200 in words is "twelve billion, four hundred twenty-two million, twelve thousand, two hundred".