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12103112000 = 26537216127
BaseRepresentation
bin10110100010110011…
…01101010101000000
31011020111010210102102
423101121231111000
5144241344041000
65320551405532
7605632516550
oct132131552500
934214123372
1012103112000
115150989201
1224193838a8
1311ab627945
1482b5bd160
154ac83c3d5
hex2d166d540

12103112000 has 112 divisors (see below), whose sum is σ = 34255423488. Its totient is φ = 4149619200.

The previous prime is 12103111961. The next prime is 12103112051. The reversal of 12103112000 is 21130121.

It is a tau number, because it is divible by the number of its divisors (112).

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, 52064 + ... + 164063.

Almost surely, 212103112000 is an apocalyptic number.

12103112000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12103112000 is an abundant number, since it is smaller than the sum of its proper divisors (22152311488).

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

12103112000 is an equidigital number, since it uses as much as digits as its factorization.

12103112000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216161 (or 216141 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 12103112000 its reverse (21130121), we get a palindrome (12124242121).

The spelling of 12103112000 in words is "twelve billion, one hundred three million, one hundred twelve thousand".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 50 56 64 70 80 100 112 125 140 160 175 200 224 250 280 320 350 400 448 500 560 700 800 875 1000 1120 1400 1600 1750 2000 2240 2800 3500 4000 5600 7000 8000 11200 14000 28000 56000 216127 432254 864508 1080635 1512889 1729016 2161270 3025778 3458032 4322540 5403175 6051556 6916064 7564445 8645080 10806350 12103112 13832128 15128890 17290160 21612700 24206224 27015875 30257780 34580320 37822225 43225400 48412448 54031750 60515560 69160640 75644450 86450800 96824896 108063500 121031120 151288900 172901600 189111125 216127000 242062240 302577800 345803200 378222250 432254000 484124480 605155600 756444500 864508000 1210311200 1512889000 1729016000 2420622400 3025778000 6051556000 12103112000