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12230312213112 = 2337190138295359
BaseRepresentation
bin1011000111111001011101…
…1010100011101001111000
31121022012120111010202112120
42301332113122203221320
53100340134411304422
642002310004041240
72401416352352460
oct261762732435170
947265514122476
1012230312213112
1139959344453a4
121456396993220
136a940c989926
14303d4377aba0
151632125e145c
hexb1f976a3a78

12230312213112 has 64 divisors (see below), whose sum is σ = 34962131865600. Its totient is φ = 3492536649600.

The previous prime is 12230312213099. The next prime is 12230312213131. The reversal of 12230312213112 is 21131221303221.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 18828312 + ... + 19467047.

It is an arithmetic number, because the mean of its divisors is an integer number (546283310400).

Almost surely, 212230312213112 is an apocalyptic number.

12230312213112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12230312213112 is an abundant number, since it is smaller than the sum of its proper divisors (22731819652488).

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

12230312213112 is a wasteful number, since it uses less digits than its factorization.

12230312213112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38297276 (or 38297272 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 12230312213112 its reverse (21131221303221), we get a palindrome (33361533516333).

The spelling of 12230312213112 in words is "twelve trillion, two hundred thirty billion, three hundred twelve million, two hundred thirteen thousand, one hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 1901 3802 5703 7604 11406 13307 15208 22812 26614 39921 45624 53228 79842 106456 159684 319368 38295359 76590718 114886077 153181436 229772154 268067513 306362872 459544308 536135026 804202539 919088616 1072270052 1608405078 2144540104 3216810156 6433620312 72799477459 145598954918 218398432377 291197909836 436796864754 509596342213 582395819672 873593729508 1019192684426 1528789026639 1747187459016 2038385368852 3057578053278 4076770737704 6115156106556 12230312213112