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12110211200 = 27523784441
BaseRepresentation
bin10110100011101001…
…10010100010000000
31011020222111110200202
423101310302202000
5144300203224300
65321403504332
7606050045123
oct132164624200
934228443622
1012110211200
115154997a0a
12241b8280a8
1311acc42059
1482c50a3ba
154ad290ad5
hex2d1d32880

12110211200 has 48 divisors (see below), whose sum is σ = 29916014010. Its totient is φ = 4844083200.

The previous prime is 12110211173. The next prime is 12110211257. The reversal of 12110211200 is 211201121.

It can be written as a sum of positive squares in 3 ways, for example, as 4825247296 + 7284963904 = 69464^2 + 85352^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1889021 + ... + 1895420.

Almost surely, 212110211200 is an apocalyptic number.

12110211200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12110211200 is an abundant number, since it is smaller than the sum of its proper divisors (17805802810).

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

12110211200 is an equidigital number, since it uses as much as digits as its factorization.

12110211200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3784465 (or 3784448 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12110211200 its reverse (211201121), we get a palindrome (12321412321).

The spelling of 12110211200 in words is "twelve billion, one hundred ten million, two hundred eleven thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 200 320 400 640 800 1600 3200 3784441 7568882 15137764 18922205 30275528 37844410 60551056 75688820 94611025 121102112 151377640 189222050 242204224 302755280 378444100 484408448 605510560 756888200 1211021120 1513776400 2422042240 3027552800 6055105600 12110211200