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12201120201120 = 2535127719905247
BaseRepresentation
bin1011000110001100101101…
…1011110111100110100000
31121012102020001012220100020
42301203023123313212200
53044400343232413440
641541041153553440
72366334063350004
oct261431333674640
947172201186306
1012201120201120
1139845142a8754
1214507aa575880
136a6739b13556
1430277477a704
151625a48bb3d0
hexb18cb6f79a0

12201120201120 has 96 divisors (see below), whose sum is σ = 38463627299328. Its totient is φ = 3251084018688.

The previous prime is 12201120201079. The next prime is 12201120201157. The reversal of 12201120201120 is 2110202110221.

It is a tau number, because it is divible by the number of its divisors (96).

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 12201120201120.

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 15 ways as a sum of consecutive naturals, for example, 9339664 + ... + 10565583.

It is an arithmetic number, because the mean of its divisors is an integer number (400662784368).

Almost surely, 212201120201120 is an apocalyptic number.

12201120201120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12201120201120 is an abundant number, since it is smaller than the sum of its proper divisors (26262507098208).

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

12201120201120 is a wasteful number, since it uses less digits than its factorization.

12201120201120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19906542 (or 19906534 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12201120201120 its reverse (2110202110221), we get a palindrome (14311322311341).

The spelling of 12201120201120 in words is "twelve trillion, two hundred one billion, one hundred twenty million, two hundred one thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 1277 2554 3831 5108 6385 7662 10216 12770 15324 19155 20432 25540 30648 38310 40864 51080 61296 76620 102160 122592 153240 204320 306480 612960 19905247 39810494 59715741 79620988 99526235 119431482 159241976 199052470 238862964 298578705 318483952 398104940 477725928 597157410 636967904 796209880 955451856 1194314820 1592419760 1910903712 2388629640 3184839520 4777259280 9554518560 25419000419 50838000838 76257001257 101676001676 127095002095 152514002514 203352003352 254190004190 305028005028 381285006285 406704006704 508380008380 610056010056 762570012570 813408013408 1016760016760 1220112020112 1525140025140 2033520033520 2440224040224 3050280050280 4067040067040 6100560100560 12201120201120