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22201331212000 = 255332999168197
BaseRepresentation
bin1010000110001001001100…
…11101011101111011100000
32220121102111221111121200101
411003010212131131323200
510402221311242241000
6115115052321432144
74450664453421343
oct503044635357340
986542457447611
1022201331212000
11708a593755326
1225a6924a9b654
13c507658aca85
1456a79b91645a
152877930e0e6a
hex14312675dee0

22201331212000 has 96 divisors (see below), whose sum is σ = 54550648152000. Its totient is φ = 8880210572800.

The previous prime is 22201331211991. The next prime is 22201331212007. The reversal of 22201331212000 is 21213310222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201331212007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131911902 + ... + 132080098.

It is an arithmetic number, because the mean of its divisors is an integer number (568235918250).

Almost surely, 222201331212000 is an apocalyptic number.

22201331212000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22201331212000 is an abundant number, since it is smaller than the sum of its proper divisors (32349316940000).

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

22201331212000 is a wasteful number, since it uses less digits than its factorization.

22201331212000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201221 (or 201203 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22201331212000 its reverse (21213310222), we get a palindrome (22222544522222).

The spelling of 22201331212000 in words is "twenty-two trillion, two hundred one billion, three hundred thirty-one million, two hundred twelve thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 800 1000 2000 4000 32999 65998 131996 164995 168197 263992 329990 336394 527984 659980 672788 824975 840985 1055968 1319960 1345576 1649950 1681970 2639920 2691152 3299900 3363940 4124875 4204925 5279840 5382304 6599800 6727880 8249750 8409850 13199600 13455760 16499500 16819700 21024625 26399200 26911520 32999000 33639400 42049250 65998000 67278800 84098500 131996000 134557600 168197000 336394000 672788000 5550332803 11100665606 22201331212 27751664015 44402662424 55503328030 88805324848 111006656060 138758320075 177610649696 222013312120 277516640150 444026624240 555033280300 693791600375 888053248480 1110066560600 1387583200750 2220133121200 2775166401500 4440266242400 5550332803000 11100665606000 22201331212000