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212000102210220 = 223517207843237461
BaseRepresentation
bin110000001101000000011110…
…110010001101101010101100
31000210122000022122000222102120
4300031000132302031222230
5210241402202131211340
62030515300310152540
762440334110156152
oct6015003662155254
91023560278028376
10212000102210220
1161605813959205
121b93b059352750
13913a6a6bb728c
143a4cc0700b3d2
151979920e4e4d0
hexc0d01ec8daac

212000102210220 has 48 divisors (see below), whose sum is σ = 628517950085088. Its totient is φ = 53207868789760.

The previous prime is 212000102210191. The next prime is 212000102210243. The reversal of 212000102210220 is 22012201000212.

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 212000102210220.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103921617711 + ... + 103921619750.

It is an arithmetic number, because the mean of its divisors is an integer number (13094123960106).

Almost surely, 2212000102210220 is an apocalyptic number.

212000102210220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212000102210220 is an abundant number, since it is smaller than the sum of its proper divisors (416517847874868).

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

212000102210220 is a wasteful number, since it uses less digits than its factorization.

212000102210220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207843237490 (or 207843237488 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 212000102210220 its reverse (22012201000212), we get a palindrome (234012303210432).

The spelling of 212000102210220 in words is "two hundred twelve trillion, one hundred two million, two hundred ten thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 30 34 51 60 68 85 102 170 204 255 340 510 1020 207843237461 415686474922 623529712383 831372949844 1039216187305 1247059424766 2078432374610 2494118849532 3117648561915 3533335036837 4156864749220 6235297123830 7066670073674 10600005110511 12470594247660 14133340147348 17666675184185 21200010221022 35333350368370 42400020442044 53000025552555 70666700736740 106000051105110 212000102210220