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11212123132330 = 257999311429117
BaseRepresentation
bin1010001100101000011010…
…0111011101000110101010
31110200212110010202021221221
42203022012213131012222
52432144412010213310
635502440034252254
72235022602102421
oct243120647350652
943625403667857
1011212123132330
11363304223293a
121310b9942708a
136343b625a5c3
142aa9537682b8
151469be0c2ada
hexa32869dd1aa

11212123132330 has 32 divisors (see below), whose sum is σ = 20439359965440. Its totient is φ = 4427630026560.

The previous prime is 11212123132291. The next prime is 11212123132363. The reversal of 11212123132330 is 3323132121211.

It is a junction number, because it is equal to n+sod(n) for n = 11212123132295 and 11212123132304.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7130932 + ... + 8560048.

It is an arithmetic number, because the mean of its divisors is an integer number (638729998920).

Almost surely, 211212123132330 is an apocalyptic number.

11212123132330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11212123132330 is a deficient number, since it is larger than the sum of its proper divisors (9227236833110).

11212123132330 is a wasteful number, since it uses less digits than its factorization.

11212123132330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439134.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 11212123132330 its reverse (3323132121211), we get a palindrome (14535255253541).

The spelling of 11212123132330 in words is "eleven trillion, two hundred twelve billion, one hundred twenty-three million, one hundred thirty-two thousand, three hundred thirty".

Divisors: 1 2 5 10 79 158 395 790 9931 19862 49655 99310 784549 1429117 1569098 2858234 3922745 7145585 7845490 14291170 112900243 225800486 564501215 1129002430 14192560927 28385121854 70962804635 141925609270 1121212313233 2242424626466 5606061566165 11212123132330