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212020111210200 = 233522437914494723
BaseRepresentation
bin110000001101010011000111…
…011010011111011011011000
31000210200220222002111111022220
4300031103013122133123120
5210242214141432211300
62030532410000344040
762441643001646106
oct6015230732373330
91023626862444286
10212020111210200
1161613251475027
121b942b02315020
13913c5453c3537
143a4db84596c76
15197a1e2896da0
hexc0d4c769f6d8

212020111210200 has 96 divisors (see below), whose sum is σ = 657289350283200. Its totient is φ = 56536373266560.

The previous prime is 212020111210189. The next prime is 212020111210249. The reversal of 212020111210200 is 2012111020212.

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 212020111210200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7380039 + ... + 21874761.

It is an arithmetic number, because the mean of its divisors is an integer number (6846764065450).

Almost surely, 2212020111210200 is an apocalyptic number.

212020111210200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212020111210200 is an abundant number, since it is smaller than the sum of its proper divisors (445269239073000).

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

212020111210200 is a wasteful number, since it uses less digits than its factorization.

212020111210200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14519121 (or 14519112 counting only the distinct ones).

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

Adding to 212020111210200 its reverse (2012111020212), we get a palindrome (214032222230412).

The spelling of 212020111210200 in words is "two hundred twelve trillion, twenty billion, one hundred eleven million, two hundred ten thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 150 200 300 600 24379 48758 73137 97516 121895 146274 195032 243790 292548 365685 487580 585096 609475 731370 975160 1218950 1462740 1828425 2437900 2925480 3656850 4875800 7313700 14494723 14627400 28989446 43484169 57978892 72473615 86968338 115957784 144947230 173936676 217420845 289894460 347873352 362368075 434841690 579788920 724736150 869683380 1087104225 1449472300 1739366760 2174208450 2898944600 4348416900 8696833800 353366852017 706733704034 1060100556051 1413467408068 1766834260085 2120201112102 2826934816136 3533668520170 4240402224204 5300502780255 7067337040340 8480804448408 8834171300425 10601005560510 14134674080680 17668342600850 21202011121020 26502513901275 35336685201700 42404022242040 53005027802550 70673370403400 106010055605100 212020111210200