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12022020211020 = 22354432749164531
BaseRepresentation
bin1010111011110001100000…
…1111101000000101001100
31120120021221020222201120120
42232330120033220011030
53033432044133223040
641322501223344540
72350363603506321
oct256743017500514
946507836881516
1012022020211020
113915567aa5306
121421b462b2150
1369289679a051
142d7c24300b48
1515cac11e27d0
hexaef183e814c

12022020211020 has 96 divisors (see below), whose sum is σ = 33750120096000. Its totient is φ = 3197452327680.

The previous prime is 12022020211013. The next prime is 12022020211037. The reversal of 12022020211020 is 2011202022021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72986155 + ... + 73150685.

It is an arithmetic number, because the mean of its divisors is an integer number (351563751000).

Almost surely, 212022020211020 is an apocalyptic number.

12022020211020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12022020211020 is an abundant number, since it is smaller than the sum of its proper divisors (21728099884980).

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

12022020211020 is a wasteful number, since it uses less digits than its factorization.

12022020211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167735 (or 167733 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12022020211020 its reverse (2011202022021), we get a palindrome (14033222233041).

The spelling of 12022020211020 in words is "twelve trillion, twenty-two billion, twenty million, two hundred eleven thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 443 886 1329 1772 2215 2658 2749 4430 5316 5498 6645 8247 8860 10996 13290 13745 16494 26580 27490 32988 41235 54980 82470 164531 164940 329062 493593 658124 822655 987186 1217807 1645310 1974372 2435614 2467965 3290620 3653421 4871228 4935930 6089035 7306842 9871860 12178070 14613684 18267105 24356140 36534210 72887233 73068420 145774466 218661699 291548932 364436165 437323398 452295719 728872330 874646796 904591438 1093308495 1356887157 1457744660 1809182876 2186616990 2261478595 2713774314 4373233980 4522957190 5427548628 6784435785 9045914380 13568871570 27137743140 200367003517 400734007034 601101010551 801468014068 1001835017585 1202202021102 2003670035170 2404404042204 3005505052755 4007340070340 6011010105510 12022020211020