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12101011000100 = 225211101598118211
BaseRepresentation
bin1011000000010111110001…
…1101100100101100100100
31120211211211021002120110022
42300011330131210230210
53041230332304000400
641423043330214312
72356161222235121
oct260057435445444
946754737076408
1012101011000100
113946012267280
121435310124398
1369a1747bb329
142db999011748
1515eb95cb0b85
hexb017c764b24

12101011000100 has 144 divisors (see below), whose sum is σ = 28936446823872. Its totient is φ = 4355832000000.

The previous prime is 12101011000087. The next prime is 12101011000121. The reversal of 12101011000100 is 100011010121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 664479995 + ... + 664498205.

It is an arithmetic number, because the mean of its divisors is an integer number (200947547388).

Almost surely, 212101011000100 is an apocalyptic number.

12101011000100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12101011000100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14468223411936).

12101011000100 is an abundant number, since it is smaller than the sum of its proper divisors (16835435823772).

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

12101011000100 is a wasteful number, since it uses less digits than its factorization.

12101011000100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24318 (or 24311 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 12101011000100 its reverse (100011010121), we get a palindrome (12201022010221).

The spelling of 12101011000100 in words is "twelve trillion, one hundred one billion, eleven million, one hundred", and thus it is an aban number.

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 101 110 202 220 275 404 505 550 1010 1100 1111 2020 2222 2525 4444 5050 5555 5981 10100 11110 11962 18211 22220 23924 27775 29905 36422 55550 59810 65791 72844 91055 111100 119620 131582 149525 182110 200321 263164 299050 328955 364220 400642 455275 598100 604081 657910 801284 910550 1001605 1208162 1315820 1644775 1821100 1839311 2003210 2416324 3020405 3289550 3678622 4006420 5008025 6040810 6579100 6644891 7357244 9196555 10016050 12081620 13289782 15102025 18393110 20032100 20232421 26579564 30204050 33224455 36786220 40464842 45982775 60408100 66448910 80929684 91965550 101162105 108919991 132897820 166122275 183931100 202324210 217839982 332244550 404648420 435679964 505810525 544599955 664489100 1011621050 1089199910 1198119901 2023242100 2178399820 2396239802 2722999775 4792479604 5445999550 5990599505 10891999100 11000919091 11981199010 22001838182 23962398020 29952997525 44003676364 55004595455 59905995050 110009190910 119811990100 121010110001 220018381820 242020220002 275022977275 484040440004 550045954550 605050550005 1100091909100 1210101100010 2420202200020 3025252750025 6050505500050 12101011000100