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120220122221000 = 2353794493389251
BaseRepresentation
bin11011010101011011101101…
…101011100000100111001000
3120202122221011000120110101022
4123111123231223200213020
5111224141302242033000
61103404210044012012
734215421462166414
oct3325335553404710
9522587130513338
10120220122221000
113534008195291a
121159756b831008
13521092a547599
14219898376dd44
15dd7304439585
hex6d56edae09c8

120220122221000 has 128 divisors (see below), whose sum is σ = 285510588480000. Its totient is φ = 47373580800000.

The previous prime is 120220122220987. The next prime is 120220122221021. The reversal of 120220122221000 is 122221022021.

It is a happy number.

120220122221000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 120220122221000.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33776375 + ... + 37165625.

It is an arithmetic number, because the mean of its divisors is an integer number (2230551472500).

Almost surely, 2120220122221000 is an apocalyptic number.

120220122221000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120220122221000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142755294240000).

120220122221000 is an abundant number, since it is smaller than the sum of its proper divisors (165290466259000).

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

120220122221000 is a wasteful number, since it uses less digits than its factorization.

120220122221000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3389800 (or 3389786 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 120220122221000 its reverse (122221022021), we get a palindrome (120342343243021).

The spelling of 120220122221000 in words is "one hundred twenty trillion, two hundred twenty billion, one hundred twenty-two million, two hundred twenty-one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 79 100 125 158 200 250 316 395 449 500 632 790 898 1000 1580 1796 1975 2245 3160 3592 3950 4490 7900 8980 9875 11225 15800 17960 19750 22450 35471 39500 44900 56125 70942 79000 89800 112250 141884 177355 224500 283768 354710 449000 709420 886775 1418840 1773550 3389251 3547100 4433875 6778502 7094200 8867750 13557004 16946255 17735500 27114008 33892510 35471000 67785020 84731275 135570040 169462550 267750829 338925100 423656375 535501658 677850200 847312750 1071003316 1338754145 1521773699 1694625500 2142006632 2677508290 3043547398 3389251000 5355016580 6087094796 6693770725 7608868495 10710033160 12174189592 13387541450 15217736990 26775082900 30435473980 33468853625 38044342475 53550165800 60870947960 66937707250 76088684950 120220122221 133875414500 152177369900 190221712375 240440244442 267750829000 304354739800 380443424750 480880488884 601100611105 760886849500 961760977768 1202201222210 1521773699000 2404402444420 3005503055525 4808804888840 6011006111050 12022012222100 15027515277625 24044024444200 30055030555250 60110061110500 120220122221000