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201030221212 = 222291171187417
BaseRepresentation
bin1011101100111001010…
…1011011110110011100
3201012220010211100022121
42323032111123312130
511243202214034322
6232204011152324
720344500454252
oct2731625336634
9635803740277
10201030221212
1178290356697
1232b647456a4
1315c598aac22
149a30c585d2
155368b24ec7
hex2ece55bd9c

201030221212 has 24 divisors (see below), whose sum is σ = 353642772560. Its totient is φ = 99990184320.

The previous prime is 201030221209. The next prime is 201030221281. The reversal of 201030221212 is 212122030102.

It is a happy number.

201030221212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 978928 + ... + 1166344.

Almost surely, 2201030221212 is an apocalyptic number.

It is an amenable number.

201030221212 is a deficient number, since it is larger than the sum of its proper divisors (152612551348).

201030221212 is a wasteful number, since it uses less digits than its factorization.

201030221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188821 (or 188819 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 201030221212 its reverse (212122030102), we get a palindrome (413152251314).

The spelling of 201030221212 in words is "two hundred one billion, thirty million, two hundred twenty-one thousand, two hundred twelve".

Divisors: 1 2 4 229 458 916 1171 2342 4684 187417 268159 374834 536318 749668 1072636 42918493 85836986 171673972 219465307 438930614 877861228 50257555303 100515110606 201030221212