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212022120222212 = 221741379320049593
BaseRepresentation
bin110000001101010100111111…
…001010010000111000000100
31000210201010011002210212201012
4300031110333022100320010
5210242232300234102322
62030533341204421352
762442043535164016
oct6015247712207004
91023633132725635
10212022120222212
1161614092507533
121b9433830a7858
13913c7a56a4841
143a4dcd531a1b6
15197a2ade39ae2
hexc0d53f290e04

212022120222212 has 48 divisors (see below), whose sum is σ = 402552700793712. Its totient is φ = 97315907665920.

The previous prime is 212022120222179. The next prime is 212022120222233. The reversal of 212022120222212 is 212222021220212.

It can be written as a sum of positive squares in 8 ways, for example, as 72719006671936 + 139303113550276 = 8527544^2 + 11802674^2 .

It is a super-3 number, since 3×2120221202222123 (a number of 44 digits) contains 333 as substring.

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, 550088 + ... + 20599680.

It is an arithmetic number, because the mean of its divisors is an integer number (8386514599869).

Almost surely, 2212022120222212 is an apocalyptic number.

It is an amenable number.

212022120222212 is a deficient number, since it is larger than the sum of its proper divisors (190530580571500).

212022120222212 is a wasteful number, since it uses less digits than its factorization.

212022120222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20053448 (or 20053446 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 212022120222212 its reverse (212222021220212), we get a palindrome (424244141442424).

The spelling of 212022120222212 in words is "two hundred twelve trillion, twenty-two billion, one hundred twenty million, two hundred twenty-two thousand, two hundred twelve".

Divisors: 1 2 4 17 34 41 68 82 164 697 1394 2788 3793 7586 15172 64481 128962 155513 257924 311026 622052 2643721 5287442 10574884 20049593 40099186 80198372 340843081 681686162 822033313 1363372324 1644066626 3288133252 13974566321 27949132642 55898265284 76048106249 152096212498 304192424996 1292817806233 2585635612466 3117972356209 5171271224932 6235944712418 12471889424836 53005530055553 106011060111106 212022120222212