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122210120210212 = 22193265841595481
BaseRepresentation
bin11011110010011001000010…
…110011011001011100100100
3121000201011200101212111221101
4123302121002303121130210
5112004242311233211322
61111530315411125444
734512250464046246
oct3362310263313444
9530634611774841
10122210120210212
1135a38025935991
1211859181ba3884
135326498869178
142227003ad6096
15e1de742ad327
hex6f2642cd9724

122210120210212 has 24 divisors (see below), whose sum is σ = 214977002896152. Its totient is φ = 60788122828800.

The previous prime is 122210120210201. The next prime is 122210120210239. The reversal of 122210120210212 is 212012021012221.

It can be written as a sum of positive squares in 4 ways, for example, as 1731924432676 + 120478195777536 = 1316026^2 + 10976256^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 122210120210212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204931512 + ... + 205526992.

It is an arithmetic number, because the mean of its divisors is an integer number (8957375120673).

Almost surely, 2122210120210212 is an apocalyptic number.

It is an amenable number.

122210120210212 is a deficient number, since it is larger than the sum of its proper divisors (92766882685940).

122210120210212 is a wasteful number, since it uses less digits than its factorization.

122210120210212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861519 (or 861517 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 122210120210212 its reverse (212012021012221), we get a palindrome (334222141222433).

The spelling of 122210120210212 in words is "one hundred twenty-two trillion, two hundred ten billion, one hundred twenty million, two hundred ten thousand, two hundred twelve".

Divisors: 1 2 4 193 386 772 265841 531682 595481 1063364 1190962 2381924 51307313 102614626 114927833 205229252 229855666 459711332 158303264521 316606529042 633213058084 30552530052553 61105060105106 122210120210212