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120000221210 = 2554412205481
BaseRepresentation
bin110111111000010010…
…0100001000000011010
3102110202000120211221102
41233300210201000122
53431230024034320
6131043301111402
711445501023222
oct1576044410032
9373660524842
10120000221210
1146989aa6341
121b30b9b8562
13b415263c6c
145b453a3082
1531c4eeb175
hex1bf092101a

120000221210 has 16 divisors (see below), whose sum is σ = 216040194792. Its totient is φ = 47991244800.

The previous prime is 120000221207. The next prime is 120000221221. The reversal of 120000221210 is 12122000021.

It is a happy number.

120000221210 is digitally balanced in base 3, 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 4 ways, for example, as 119841284761 + 158936449 = 346181^2 + 12607^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 120000221191 and 120000221200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1048331 + ... + 1157150.

Almost surely, 2120000221210 is an apocalyptic number.

120000221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120000221210 is a deficient number, since it is larger than the sum of its proper divisors (96039973582).

120000221210 is a wasteful number, since it uses less digits than its factorization.

120000221210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210929.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 120000221210 its reverse (12122000021), we get a palindrome (132122221231).

The spelling of 120000221210 in words is "one hundred twenty billion, two hundred twenty-one thousand, two hundred ten".

Divisors: 1 2 5 10 5441 10882 27205 54410 2205481 4410962 11027405 22054810 12000022121 24000044242 60000110605 120000221210