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200112201202212 = 2232131373121096157
BaseRepresentation
bin101101100000000001000000…
…101010101111101000100100
3222020112112120100222200201100
4231200001000222233220210
5202212114242001432322
61545334135350400100
760102425615642235
oct5540010052575044
9866475510880640
10200112201202212
1158842120734242
121a53b103360030
13878766581b6b0
14375b6a72b908c
15182059e53edac
hexb60040aafa24

200112201202212 has 72 divisors (see below), whose sum is σ = 548726157730296. Its totient is φ = 61123547119104.

The previous prime is 200112201202201. The next prime is 200112201202213. The reversal of 200112201202212 is 212202102211002.

It is a happy number.

200112201202212 is a `hidden beast` number, since 20 + 0 + 11 + 220 + 1 + 202 + 212 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 63287339051556 + 136824862150656 = 7955334^2 + 11697216^2 .

It is a super-2 number, since 2×2001122012022122 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (200112201202213) 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, 1560483963 + ... + 1560612194.

It is an arithmetic number, because the mean of its divisors is an integer number (7621196635143).

Almost surely, 2200112201202212 is an apocalyptic number.

It is an amenable number.

200112201202212 is an abundant number, since it is smaller than the sum of its proper divisors (348613956528084).

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

200112201202212 is a wasteful number, since it uses less digits than its factorization.

200112201202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3121096317 (or 3121096312 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 200112201202212 its reverse (212202102211002), we get a palindrome (412314303413214).

The spelling of 200112201202212 in words is "two hundred trillion, one hundred twelve billion, two hundred one million, two hundred two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 137 156 234 274 411 468 548 822 1233 1644 1781 2466 3562 4932 5343 7124 10686 16029 21372 32058 64116 3121096157 6242192314 9363288471 12484384628 18726576942 28089865413 37453153884 40574250041 56179730826 81148500082 112359461652 121722750123 162297000164 243445500246 365168250369 427590173509 486891000492 730336500738 855180347018 1282770520527 1460673001476 1710360694036 2565541041054 3848311561581 5131082082108 5558672255617 7696623123162 11117344511234 15393246246324 16676016766851 22234689022468 33352033533702 50028050300553 66704067067404 100056100601106 200112201202212