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212020212112122 = 231779223117989983
BaseRepresentation
bin110000001101010011001101…
…011011011001101011111010
31000210200221020010100211202010
4300031103031123121223322
5210242214343300041442
62030532424003150350
762441645335415601
oct6015231533315372
91023627203324663
10212020212112122
11616132a3422147
121b942b300753b6
13913c56029170b
143a4db93b40a38
15197a1eb678b9c
hexc0d4cd6d9afa

212020212112122 has 64 divisors (see below), whose sum is σ = 456706190868480. Its totient is φ = 65379664905984.

The previous prime is 212020212112099. The next prime is 212020212112127. The reversal of 212020212112122 is 221211212020212.

It is not an unprimeable number, because it can be changed into a prime (212020212112127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57198058 + ... + 60791925.

It is an arithmetic number, because the mean of its divisors is an integer number (7136034232320).

Almost surely, 2212020212112122 is an apocalyptic number.

212020212112122 is an abundant number, since it is smaller than the sum of its proper divisors (244685978756358).

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

212020212112122 is a wasteful number, since it uses less digits than its factorization.

212020212112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117990307.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 212020212112122 its reverse (221211212020212), we get a palindrome (433231424132334).

The spelling of 212020212112122 in words is "two hundred twelve trillion, twenty billion, two hundred twelve million, one hundred twelve thousand, one hundred twenty-two".

Divisors: 1 2 3 6 17 34 51 79 102 158 223 237 446 474 669 1338 1343 2686 3791 4029 7582 8058 11373 17617 22746 35234 52851 105702 299489 598978 898467 1796934 117989983 235979966 353969949 707939898 2005829711 4011659422 6017489133 9321208657 12034978266 18642417314 26311766209 27963625971 52623532418 55927251942 78935298627 157870597254 158460547169 316921094338 447300025553 475381641507 894600051106 950763283014 1341900076659 2078629530511 2683800153318 4157259061022 6235888591533 12471777183066 35336702018687 70673404037374 106010106056061 212020212112122