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12232303230 = 2357376723497
BaseRepresentation
bin10110110010001101…
…00010001001111110
31011120111020101110210
423121012202021332
5200022432200410
65341444413250
7612061601430
oct133106421176
934514211423
1012232303230
1152078a8514
1224546a7226
1311cc31c264
1484080c650
154b8d5b220
hex2d91a227e

12232303230 has 128 divisors (see below), whose sum is σ = 34974047232. Its totient is φ = 2679671808.

The previous prime is 12232303229. The next prime is 12232303247. The reversal of 12232303230 is 3230323221.

12232303230 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 (21).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12232303197 and 12232303206.

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 508842 + ... + 532338.

It is an arithmetic number, because the mean of its divisors is an integer number (273234744).

Almost surely, 212232303230 is an apocalyptic number.

12232303230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12232303230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17487023616).

12232303230 is an abundant number, since it is smaller than the sum of its proper divisors (22741744002).

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

12232303230 is a wasteful number, since it uses less digits than its factorization.

12232303230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23618.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 12232303230 its reverse (3230323221), we get a palindrome (15462626451).

The spelling of 12232303230 in words is "twelve billion, two hundred thirty-two million, three hundred three thousand, two hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 37 42 67 70 74 105 111 134 185 201 210 222 259 335 370 402 469 518 555 670 777 938 1005 1110 1295 1407 1554 2010 2345 2479 2590 2814 3885 4690 4958 7035 7437 7770 12395 14070 14874 17353 23497 24790 34706 37185 46994 52059 70491 74370 86765 104118 117485 140982 164479 173530 234970 260295 328958 352455 493437 520590 704910 822395 869389 986874 1574299 1644790 1738778 2467185 2608167 3148598 4346945 4722897 4934370 5216334 6085723 7871495 8693890 9445794 11020093 12171446 13040835 15742990 18257169 22040186 23614485 26081670 30428615 33060279 36514338 47228970 55100465 58249063 60857230 66120558 91285845 110200930 116498126 165301395 174747189 182571690 291245315 330602790 349494378 407743441 582490630 815486882 873735945 1223230323 1747471890 2038717205 2446460646 4077434410 6116151615 12232303230