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212213324212 = 22197269306249
BaseRepresentation
bin1100010110100011100…
…1100101100110110100
3202021202111210211122121
43011220321211212310
511434103102333322
6241253420005324
721221562331141
oct3055071454664
9667674724577
10212213324212
1181aa998647a
1235165990844
131701c724936
14a3b218d3c8
1557c07d1ec7
hex3168e659b4

212213324212 has 12 divisors (see below), whose sum is σ = 373258462500. Its totient is φ = 105568049216.

The previous prime is 212213324209. The next prime is 212213324221. The reversal of 212213324212 is 212423312212.

212213324212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 95409325456 + 116803998756 = 308884^2 + 341766^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134652337 + ... + 134653912.

It is an arithmetic number, because the mean of its divisors is an integer number (31104871875).

Almost surely, 2212213324212 is an apocalyptic number.

It is an amenable number.

212213324212 is a deficient number, since it is larger than the sum of its proper divisors (161045138288).

212213324212 is a wasteful number, since it uses less digits than its factorization.

212213324212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269306450 (or 269306448 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

Adding to 212213324212 its reverse (212423312212), we get a palindrome (424636636424).

It can be divided in two parts, 21221 and 3324212, that added together give a palindrome (3345433).

The spelling of 212213324212 in words is "two hundred twelve billion, two hundred thirteen million, three hundred twenty-four thousand, two hundred twelve".

Divisors: 1 2 4 197 394 788 269306249 538612498 1077224996 53053331053 106106662106 212213324212