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212020110012210 = 235313297174293
BaseRepresentation
bin110000001101010011000111…
…010101111010111100110010
31000210200220222000020121222220
4300031103013111322330302
5210242214141130342320
62030532405514541510
762441642655526323
oct6015230725727462
91023626860217886
10212020110012210
1161613250826a55
121b942b01a37896
13913c545094176
143a4db8436444a
15197a1e270be40
hexc0d4c757af32

212020110012210 has 96 divisors (see below), whose sum is σ = 511011774744768. Its totient is φ = 56299262123520.

The previous prime is 212020110012197. The next prime is 212020110012211. The reversal of 212020110012210 is 12210011020212.

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 212020110012210.

It is not an unprimeable number, because it can be changed into a prime (212020110012211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2853799824 + ... + 2853874116.

It is an arithmetic number, because the mean of its divisors is an integer number (5323039320258).

Almost surely, 2212020110012210 is an apocalyptic number.

212020110012210 is an abundant number, since it is smaller than the sum of its proper divisors (298991664732558).

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

212020110012210 is an equidigital number, since it uses as much as digits as its factorization.

212020110012210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75900 (or 75587 counting only the distinct ones).

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

Adding to 212020110012210 its reverse (12210011020212), we get a palindrome (224230121032422).

The spelling of 212020110012210 in words is "two hundred twelve trillion, twenty billion, one hundred ten million, twelve thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 313 626 939 971 1565 1878 1942 2913 3130 4695 4855 5826 9390 9710 14565 29130 74293 97969 148586 195938 222879 293907 303923 371465 445758 489845 587814 607846 742930 911769 979690 1114395 1469535 1519615 1823538 2228790 2939070 3039230 4558845 9117690 23253709 46507418 69761127 72138503 95127899 116268545 139522254 144277006 190255798 216415509 232537090 285383697 348805635 360692515 432831018 475639495 570767394 697611270 721385030 951278990 1082077545 1426918485 2164155090 2853836970 7278410917 14556821834 21835232751 22579351439 36392054585 43670465502 45158702878 67738054317 72784109170 109176163755 112896757195 135476108634 218352327510 225793514390 338690271585 677380543170 7067337000407 14134674000814 21202011001221 35336685002035 42404022002442 70673370004070 106010055006105 212020110012210