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12000220112220 = 22354148710016711
BaseRepresentation
bin1010111010100000010011…
…0110110110010101011100
31120111012122222020221222220
42232220010312312111130
53033102422322042340
641304454111505340
72345662432644054
oct256500466662534
946435588227886
1012000220112220
1139072a045442a
121419881528250
136908011993c2
142d6b56d18564
1515c2473eded0
hexaea04db655c

12000220112220 has 96 divisors (see below), whose sum is σ = 34490824897536. Its totient is φ = 3115597478400.

The previous prime is 12000220112207. The next prime is 12000220112269. The reversal of 12000220112220 is 2221102200021.

12000220112220 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 12000220112220.

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, 3810336 + ... + 6206375.

It is an arithmetic number, because the mean of its divisors is an integer number (359279426016).

Almost surely, 212000220112220 is an apocalyptic number.

12000220112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12000220112220 is an abundant number, since it is smaller than the sum of its proper divisors (22490604785316).

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

12000220112220 is a wasteful number, since it uses less digits than its factorization.

12000220112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10017251 (or 10017249 counting only the distinct ones).

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

Adding to 12000220112220 its reverse (2221102200021), we get a palindrome (14221322312241).

The spelling of 12000220112220 in words is "twelve trillion, two hundred twenty million, one hundred twelve thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 41 60 82 123 164 205 246 410 487 492 615 820 974 1230 1461 1948 2435 2460 2922 4870 5844 7305 9740 14610 19967 29220 39934 59901 79868 99835 119802 199670 239604 299505 399340 599010 1198020 10016711 20033422 30050133 40066844 50083555 60100266 100167110 120200532 150250665 200334220 300501330 410685151 601002660 821370302 1232055453 1642740604 2053425755 2464110906 4106851510 4878138257 4928221812 6160277265 8213703020 9756276514 12320554530 14634414771 19512553028 24390691285 24641109060 29268829542 48781382570 58537659084 73172073855 97562765140 146344147710 200003668537 292688295420 400007337074 600011005611 800014674148 1000018342685 1200022011222 2000036685370 2400044022444 3000055028055 4000073370740 6000110056110 12000220112220