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12301121230 = 257338343997
BaseRepresentation
bin10110111010011010…
…00011011011001110
31011202021201201000121
423131031003123032
5200143041334410
65352343415154
7613555543126
oct133515033316
934667651017
1012301121230
1152427314a2
1224737544ba
131210665a78
14849a03c86
154bee019da
hex2dd3436ce

12301121230 has 32 divisors (see below), whose sum is σ = 22504449024. Its totient is φ = 4840263936.

The previous prime is 12301121123. The next prime is 12301121233. The reversal of 12301121230 is 3212110321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12301121233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257592 + ... + 301588.

It is an arithmetic number, because the mean of its divisors is an integer number (703264032).

Almost surely, 212301121230 is an apocalyptic number.

12301121230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12301121230 is a deficient number, since it is larger than the sum of its proper divisors (10203327794).

12301121230 is a wasteful number, since it uses less digits than its factorization.

12301121230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44460.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12301121230 its reverse (3212110321), we get a palindrome (15513231551).

The spelling of 12301121230 in words is "twelve billion, three hundred one million, one hundred twenty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 73 146 365 383 730 766 1915 3830 27959 43997 55918 87994 139795 219985 279590 439970 3211781 6423562 16058905 16850851 32117810 33701702 84254255 168508510 1230112123 2460224246 6150560615 12301121230