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212112030120 = 23359718222683
BaseRepresentation
bin1100010110001011011…
…1001011100110101000
3202021111110012120021120
43011202313023212220
511433401134430440
6241235400535240
721216222336114
oct3054267134650
9667443176246
10212112030120
1181a57790751
1235137a81520
131700474a0c3
14a3a2942744
1557b6973dd0
hex3162dcb9a8

212112030120 has 64 divisors (see below), whose sum is σ = 642896291520. Its totient is φ = 55980079104.

The previous prime is 212112030107. The next prime is 212112030187. The reversal of 212112030120 is 21030211212.

212112030120 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 (15).

It is a self number, because there is not a number n which added to its sum of digits gives 212112030120.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9099702 + ... + 9122981.

It is an arithmetic number, because the mean of its divisors is an integer number (10045254555).

Almost surely, 2212112030120 is an apocalyptic number.

212112030120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212112030120 is an abundant number, since it is smaller than the sum of its proper divisors (430784261400).

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

212112030120 is a wasteful number, since it uses less digits than its factorization.

212112030120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18222794 (or 18222790 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 212112030120 its reverse (21030211212), we get a palindrome (233142241332).

The spelling of 212112030120 in words is "two hundred twelve billion, one hundred twelve million, thirty thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 97 120 194 291 388 485 582 776 970 1164 1455 1940 2328 2910 3880 5820 11640 18222683 36445366 54668049 72890732 91113415 109336098 145781464 182226830 218672196 273340245 364453660 437344392 546680490 728907320 1093360980 1767600251 2186721960 3535200502 5302800753 7070401004 8838001255 10605601506 14140802008 17676002510 21211203012 26514003765 35352005020 42422406024 53028007530 70704010040 106056015060 212112030120