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12132310230 = 2325644920903
BaseRepresentation
bin10110100110010010…
…00101110011010110
31011022112002012212100
423103021011303112
5144321332411410
65323513302530
7606435635565
oct132311056326
934275065770
1012132310230
115166411277
122427104a46
1311b46ab9c1
1483141dbdc
154b01a88c0
hex2d3245cd6

12132310230 has 48 divisors (see below), whose sum is σ = 31550407200. Its totient is φ = 3234626304.

The previous prime is 12132310193. The next prime is 12132310237. The reversal of 12132310230 is 3201323121.

12132310230 is a `hidden beast` number, since 121 + 3 + 2 + 310 + 230 = 666.

12132310230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12132310237) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 569959 + ... + 590861.

It is an arithmetic number, because the mean of its divisors is an integer number (657300150).

Almost surely, 212132310230 is an apocalyptic number.

12132310230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12132310230 is an abundant number, since it is smaller than the sum of its proper divisors (19418096970).

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

12132310230 is a wasteful number, since it uses less digits than its factorization.

12132310230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27365 (or 27362 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12132310230 its reverse (3201323121), we get a palindrome (15333633351).

The spelling of 12132310230 in words is "twelve billion, one hundred thirty-two million, three hundred ten thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 6449 12898 19347 20903 32245 38694 41806 58041 62709 64490 96735 104515 116082 125418 188127 193470 209030 290205 313545 376254 580410 627090 940635 1881270 134803447 269606894 404410341 674017235 808820682 1213231023 1348034470 2022051705 2426462046 4044103410 6066155115 12132310230