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2212101031200 = 25352921708763
BaseRepresentation
bin100000001100001011011…
…111110000010100100000
321211110211010100121120020
4200030023133300110200
5242220340330444300
64412120350113440
7315550632344304
oct40141337602440
97743733317506
102212101031200
117831683a9915
122b88781ab880
131307a5930028
14790cdb6bd04
153c81d9cc8a0
hex2030b7f0520

2212101031200 has 72 divisors (see below), whose sum is σ = 7200388864368. Its totient is φ = 589893607680.

The previous prime is 2212101031183. The next prime is 2212101031213. The reversal of 2212101031200 is 21301012122.

It is a super-2 number, since 2×22121010312002 (a number of 25 digits) contains 22 as substring.

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 2212101031200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 460851982 + ... + 460856781.

It is an arithmetic number, because the mean of its divisors is an integer number (100005400894).

Almost surely, 22212101031200 is an apocalyptic number.

2212101031200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212101031200 is an abundant number, since it is smaller than the sum of its proper divisors (4988287833168).

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

2212101031200 is a wasteful number, since it uses less digits than its factorization.

2212101031200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921708786 (or 921708773 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 2212101031200 its reverse (21301012122), we get a palindrome (2233402043322).

The spelling of 2212101031200 in words is "two trillion, two hundred twelve billion, one hundred one million, thirty-one thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 75 80 96 100 120 150 160 200 240 300 400 480 600 800 1200 2400 921708763 1843417526 2765126289 3686835052 4608543815 5530252578 7373670104 9217087630 11060505156 13825631445 14747340208 18434175260 22121010312 23042719075 27651262890 29494680416 36868350520 44242020624 46085438150 55302525780 69128157225 73736701040 88484041248 92170876300 110605051560 138256314450 147473402080 184341752600 221210103120 276512628900 368683505200 442420206240 553025257800 737367010400 1106050515600 2212101031200