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212022120212 = 2277572218579
BaseRepresentation
bin1100010101110110000…
…0001100111100010100
3202021021012000200001222
43011131200030330110
511433210130321322
6241222425505512
721214051200110
oct3053540147424
9667235020058
10212022120212
1181a10a61041
1235111942298
1316cbbc2a186
14a394a1a740
1557adb13e42
hex315d80cf14

212022120212 has 12 divisors (see below), whose sum is σ = 424044240480. Its totient is φ = 90866622936.

The previous prime is 212022120203. The next prime is 212022120217. The reversal of 212022120212 is 212021220212.

It is a happy number.

212022120212 is an admirable number.

It is a super-3 number, since 3×2120221202123 (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212022120217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3786109262 + ... + 3786109317.

It is an arithmetic number, because the mean of its divisors is an integer number (35337020040).

Almost surely, 2212022120212 is an apocalyptic number.

It is an amenable number.

212022120212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

212022120212 is a wasteful number, since it uses less digits than its factorization.

212022120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7572218590 (or 7572218588 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 212022120212 its reverse (212021220212), we get a palindrome (424043340424).

The spelling of 212022120212 in words is "two hundred twelve billion, twenty-two million, one hundred twenty thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 7572218579 15144437158 30288874316 53005530053 106011060106 212022120212