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12321230210 = 2541257116933
BaseRepresentation
bin10110111100110011…
…10000110110000010
31011210200120100100122
423132121300312002
5200213213331320
65354342420242
7614221504652
oct133631606602
934720510318
1012321230210
115253016693
12247a431682
131214886983
1484c55a362
154c1a74d25
hex2de670d82

12321230210 has 32 divisors (see below), whose sum is σ = 22807742832. Its totient is φ = 4789534720.

The previous prime is 12321230189. The next prime is 12321230239. The reversal of 12321230210 is 1203212321.

12321230210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 8554585081 + 3766645129 = 92491^2 + 61373^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46904 + ... + 163836.

Almost surely, 212321230210 is an apocalyptic number.

12321230210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12321230210 is a deficient number, since it is larger than the sum of its proper divisors (10486512622).

12321230210 is a wasteful number, since it uses less digits than its factorization.

12321230210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117238.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12321230210 its reverse (1203212321), we get a palindrome (13524442531).

The spelling of 12321230210 in words is "twelve billion, three hundred twenty-one million, two hundred thirty thousand, two hundred ten".

Divisors: 1 2 5 10 41 82 205 257 410 514 1285 2570 10537 21074 52685 105370 116933 233866 584665 1169330 4794253 9588506 23971265 30051781 47942530 60103562 150258905 300517810 1232123021 2464246042 6160615105 12321230210