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101222000212 = 22157161181529
BaseRepresentation
bin101111001000101001…
…1010010011001010100
3100200021100001101101211
41132101103102121110
53124300313001322
6114300054431204
710212242543224
oct1362123223124
9320240041354
10101222000212
1139a231a8a33
121774b062504
139711a378a8
144c8347a084
15297666db77
hex17914d2654

101222000212 has 12 divisors (see below), whose sum is σ = 178266772180. Its totient is φ = 50288636736.

The previous prime is 101222000207. The next prime is 101222000227. The reversal of 101222000212 is 212000222101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19702613956 + 81519386256 = 140366^2 + 285516^2 .

It is a junction number, because it is equal to n+sod(n) for n = 101222000192 and 101222000201.

It is a congruent number.

It is an unprimeable number.

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, 80590137 + ... + 80591392.

Almost surely, 2101222000212 is an apocalyptic number.

It is an amenable number.

101222000212 is a deficient number, since it is larger than the sum of its proper divisors (77044771968).

101222000212 is a wasteful number, since it uses less digits than its factorization.

101222000212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161181690 (or 161181688 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 101222000212 its reverse (212000222101), we get a palindrome (313222222313).

The spelling of 101222000212 in words is "one hundred one billion, two hundred twenty-two million, two hundred twelve", and thus it is an aban number.

Divisors: 1 2 4 157 314 628 161181529 322363058 644726116 25305500053 50611000106 101222000212