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12110222208 = 27372798147
BaseRepresentation
bin10110100011101001…
…10101001110000000
31011020222112000210110
423101310311032000
5144300204102313
65321404031320
7606050122200
oct132164651600
934228460713
1012110222208
1151549a5207
12241b832540
1311acc47076
1482c510400
154ad293ec3
hex2d1d35380

12110222208 has 192 divisors, whose sum is σ = 37897977600. Its totient is φ = 3415845888.

The previous prime is 12110222207. The next prime is 12110222237. The reversal of 12110222208 is 80222201121.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110222207) 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, 1482391 + ... + 1490537.

It is an arithmetic number, because the mean of its divisors is an integer number (197385300).

Almost surely, 212110222208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12110222208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18948988800).

12110222208 is an abundant number, since it is smaller than the sum of its proper divisors (25787755392).

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

12110222208 is an equidigital number, since it uses as much as digits as its factorization.

12110222208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8257 (or 8238 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 12110222208 its reverse (80222201121), we get a palindrome (92332423329).

The spelling of 12110222208 in words is "twelve billion, one hundred ten million, two hundred twenty-two thousand, two hundred eight".