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120122221201220 = 22571316549739433
BaseRepresentation
bin11011010100000000100010…
…010100110000011101000100
3120202022120110010112100200202
4123110000202110300131010
5111221040302111414340
61103251215301230032
734205354423226650
oct3324004224603504
9522276403470622
10120122221201220
1135302603319717
12115805a8a02318
135204627859794
142193d373b1a60
15dd49c4614c15
hex6d4022530744

120122221201220 has 48 divisors (see below), whose sum is σ = 290494043376768. Its totient is φ = 40870374055680.

The previous prime is 120122221201219. The next prime is 120122221201243. The reversal of 120122221201220 is 22102122221021.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 120122221201192 and 120122221201201.

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 15 ways as a sum of consecutive naturals, for example, 3274851377 + ... + 3274888056.

It is an arithmetic number, because the mean of its divisors is an integer number (6051959237016).

Almost surely, 2120122221201220 is an apocalyptic number.

120122221201220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120122221201220 is an abundant number, since it is smaller than the sum of its proper divisors (170371822175548).

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

120122221201220 is a wasteful number, since it uses less digits than its factorization.

120122221201220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6549739580 (or 6549739578 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 120122221201220 its reverse (22102122221021), we get a palindrome (142224343422241).

The spelling of 120122221201220 in words is "one hundred twenty trillion, one hundred twenty-two billion, two hundred twenty-one million, two hundred one thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 131 140 262 524 655 917 1310 1834 2620 3668 4585 9170 18340 6549739433 13099478866 26198957732 32748697165 45848176031 65497394330 91696352062 130994788660 183392704124 229240880155 458481760310 858015865723 916963520620 1716031731446 3432063462892 4290079328615 6006111060061 8580158657230 12012222120122 17160317314460 24024444240244 30030555300305 60061110600610 120122221201220