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12031330303212 = 223113719112897473
BaseRepresentation
bin1010111100010100001100…
…1010110011110011101100
31120121011222002120102002220
42233011003022303303230
53034110131024200322
641331041123115340
72351143403132253
oct257050312636354
946534862512086
1012031330303212
113919505333380
121423904212b50
1369371b56c93c
142d846899579a
1515ce6872355c
hexaf1432b3cec

12031330303212 has 96 divisors (see below), whose sum is σ = 31617590022144. Its totient is φ = 3528748339200.

The previous prime is 12031330303151. The next prime is 12031330303301. The reversal of 12031330303212 is 21230303313021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5515893 + ... + 7381580.

It is an arithmetic number, because the mean of its divisors is an integer number (329349896064).

Almost surely, 212031330303212 is an apocalyptic number.

12031330303212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12031330303212 is an abundant number, since it is smaller than the sum of its proper divisors (19586259718932).

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

12031330303212 is a wasteful number, since it uses less digits than its factorization.

12031330303212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12897719 (or 12897717 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 12031330303212 its reverse (21230303313021), we get a palindrome (33261633616233).

The spelling of 12031330303212 in words is "twelve trillion, thirty-one billion, three hundred thirty million, three hundred three thousand, two hundred twelve".

Divisors: 1 2 3 4 6 11 12 22 33 37 44 66 74 111 132 148 191 222 382 407 444 573 764 814 1146 1221 1628 2101 2292 2442 4202 4884 6303 7067 8404 12606 14134 21201 25212 28268 42402 77737 84804 155474 233211 310948 466422 932844 12897473 25794946 38692419 51589892 77384838 141872203 154769676 283744406 425616609 477206501 567488812 851233218 954413002 1431619503 1702466436 1908826004 2463417343 2863239006 4926834686 5249271511 5726478012 7390252029 9853669372 10498543022 14780504058 15747814533 20997086044 27097590773 29561008116 31495629066 54195181546 62991258132 81292772319 91146441691 108390363092 162585544638 182292883382 273439325073 325171089276 364585766764 546878650146 1002610858601 1093757300292 2005221717202 3007832575803 4010443434404 6015665151606 12031330303212