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12020222012200 = 2352194317339249
BaseRepresentation
bin1010111011101010110100…
…0100000010101100101000
31120120010021221100202112021
42232322231010002230220
53033414403313342300
641322002545554224
72350301210203213
oct256725504025450
946503257322467
1012020222012200
113914824a60986
121421724045974
1369266b08aa8c
142d7ad357677a
1515ca183e2d1a
hexaeead102b28

12020222012200 has 96 divisors (see below), whose sum is σ = 29486170800000. Its totient is φ = 4544462361600.

The previous prime is 12020222012147. The next prime is 12020222012209. The reversal of 12020222012200 is 221022202021.

It is not an unprimeable number, because it can be changed into a prime (12020222012209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2031825 + ... + 5307424.

It is an arithmetic number, because the mean of its divisors is an integer number (307147612500).

Almost surely, 212020222012200 is an apocalyptic number.

12020222012200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020222012200 is an abundant number, since it is smaller than the sum of its proper divisors (17465948787800).

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

12020222012200 is a wasteful number, since it uses less digits than its factorization.

12020222012200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7339715 (or 7339706 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12020222012200 its reverse (221022202021), we get a palindrome (12241244214221).

The spelling of 12020222012200 in words is "twelve trillion, twenty billion, two hundred twenty-two million, twelve thousand, two hundred".

Divisors: 1 2 4 5 8 10 19 20 25 38 40 50 76 95 100 152 190 200 380 431 475 760 862 950 1724 1900 2155 3448 3800 4310 8189 8620 10775 16378 17240 21550 32756 40945 43100 65512 81890 86200 163780 204725 327560 409450 818900 1637800 7339249 14678498 29356996 36696245 58713992 73392490 139445731 146784980 183481225 278891462 293569960 366962450 557782924 697228655 733924900 1115565848 1394457310 1467849800 2788914620 3163216319 3486143275 5577829240 6326432638 6972286550 12652865276 13944573100 15816081595 25305730552 27889146200 31632163190 60101110061 63264326380 79080407975 120202220122 126528652760 158160815950 240404440244 300505550305 316321631900 480808880488 601011100610 632643263800 1202022201220 1502527751525 2404044402440 3005055503050 6010111006100 12020222012200