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212000121201210 = 23579827108163879
BaseRepresentation
bin110000001101000000011111…
…111010101010001000111010
31000210122000100221202211011120
4300031000133322222020322
5210241402222011414320
62030515302225210110
762440334430453366
oct6015003772521072
91023560327684146
10212000121201210
116160582364a441
121b93b063790936
13913a6aab06354
143a4cc097522a6
151979922951440
hexc0d01feaa23a

212000121201210 has 64 divisors (see below), whose sum is σ = 515863829606400. Its totient is φ = 55750258654272.

The previous prime is 212000121201199. The next prime is 212000121201227. The reversal of 212000121201210 is 12102121000212.

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 212000121201210.

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, 52121950 + ... + 56041929.

It is an arithmetic number, because the mean of its divisors is an integer number (8060372337600).

Almost surely, 2212000121201210 is an apocalyptic number.

212000121201210 is an abundant number, since it is smaller than the sum of its proper divisors (303863708405190).

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

212000121201210 is a wasteful number, since it uses less digits than its factorization.

212000121201210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108164795.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212000121201210 its reverse (12102121000212), we get a palindrome (224102242201422).

The spelling of 212000121201210 in words is "two hundred twelve trillion, one hundred twenty-one million, two hundred one thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 79 158 237 395 474 790 827 1185 1654 2370 2481 4135 4962 8270 12405 24810 65333 130666 195999 326665 391998 653330 979995 1959990 108163879 216327758 324491637 540819395 648983274 1081638790 1622458185 3244916370 8544946441 17089892882 25634839323 42724732205 51269678646 85449464410 89451527933 128174196615 178903055866 256348393230 268354583799 447257639665 536709167598 894515279330 1341772918995 2683545837990 7066670706707 14133341413414 21200012120121 35333353533535 42400024240242 70666707067070 106000060600605 212000121201210