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12011101112020 = 22597211284310321
BaseRepresentation
bin1010111011001000110101…
…1010100100011011010100
31120112020202021210000122111
42232302031122210123110
53033242213341041040
641313453525240404
72346526165631413
oct256621532443324
946466667700574
1012011101112020
1139109744a364a
12141b9b9563104
13691846559c1a
142d74aa08d47a
1515c6827d3dea
hexaec8d6a46d4

12011101112020 has 96 divisors (see below), whose sum is σ = 25615608310656. Its totient is φ = 4730252083200.

The previous prime is 12011101111979. The next prime is 12011101112033. The reversal of 12011101112020 is 2021110111021.

It is a happy number.

12011101112020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 1163748460 + ... + 1163758780.

It is an arithmetic number, because the mean of its divisors is an integer number (266829253236).

Almost surely, 212011101112020 is an apocalyptic number.

12011101112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12011101112020 is an abundant number, since it is smaller than the sum of its proper divisors (13604507198636).

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

12011101112020 is a wasteful number, since it uses less digits than its factorization.

12011101112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13481 (or 13479 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12011101112020 its reverse (2021110111021), we get a palindrome (14032211223041).

The spelling of 12011101112020 in words is "twelve trillion, eleven billion, one hundred one million, one hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 97 194 211 388 422 485 844 970 1055 1940 2110 2843 4220 5686 10321 11372 14215 20467 20642 28430 40934 41284 51605 56860 81868 102335 103210 204670 206420 275771 409340 551542 599873 1001137 1103084 1199746 1378855 2002274 2177731 2399492 2757710 2999365 4004548 4355462 5005685 5515420 5998730 8710924 10011370 10888655 11997460 20022740 21777310 29342603 43554620 58187681 58685206 116375362 117370412 146713015 211239907 232750724 290938405 293426030 422479814 581876810 586852060 844959628 1056199535 1163753620 2112399070 2846232491 4224798140 5692464982 6191289233 11384929964 12382578466 14231162455 24765156932 28462324910 30956446165 56924649820 61912892330 123825784660 600555055601 1201110111202 2402220222404 3002775278005 6005550556010 12011101112020