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1220330311122 = 231323680228713
BaseRepresentation
bin10001110000100001010…
…110101100110111010010
311022122212220202220220110
4101300201112230313102
5124443214024423442
62332340105422150
7154110631332066
oct21604126546722
94278786686813
101220330311122
114305a271280a
1217861219a956
138b0cc543bc0
14430c8633aa6
1521b2495169c
hex11c215acdd2

1220330311122 has 32 divisors (see below), whose sum is σ = 2742682174848. Its totient is φ = 359160759936.

The previous prime is 1220330311097. The next prime is 1220330311177. The reversal of 1220330311122 is 2211130330221.

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 15 ways as a sum of consecutive naturals, for example, 340112563 + ... + 340116150.

It is an arithmetic number, because the mean of its divisors is an integer number (85708817964).

Almost surely, 21220330311122 is an apocalyptic number.

1220330311122 is an abundant number, since it is smaller than the sum of its proper divisors (1522351863726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220330311122 is a wasteful number, since it uses less digits than its factorization.

1220330311122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680228754.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1220330311122 its reverse (2211130330221), we get a palindrome (3431460641343).

The spelling of 1220330311122 in words is "one trillion, two hundred twenty billion, three hundred thirty million, three hundred eleven thousand, one hundred twenty-two".

Divisors: 1 2 3 6 13 23 26 39 46 69 78 138 299 598 897 1794 680228713 1360457426 2040686139 4081372278 8842973269 15645260399 17685946538 26528919807 31290520798 46935781197 53057839614 93871562394 203388385187 406776770374 610165155561 1220330311122