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120021012022210 = 251321918919197569
BaseRepresentation
bin11011010010100010010001…
…110010011000001111000010
3120201221220012200121100200021
4123102202101302120033002
5111212411013034202320
61103132520341244054
734165142364343135
oct3322422162301702
9521856180540607
10120021012022210
1135273697388522
1211564a6210362a
1351c7c18690900
14218d09591221c
15dd204e179daa
hex6d2891c983c2

120021012022210 has 96 divisors (see below), whose sum is σ = 246261047472000. Its totient is φ = 41980626874368.

The previous prime is 120021012022187. The next prime is 120021012022211. The reversal of 120021012022210 is 12220210120021.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (120021012022211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 607390306 + ... + 607587874.

It is an arithmetic number, because the mean of its divisors is an integer number (2565219244500).

Almost surely, 2120021012022210 is an apocalyptic number.

120021012022210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120021012022210 is an abundant number, since it is smaller than the sum of its proper divisors (126240035449790).

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

120021012022210 is a wasteful number, since it uses less digits than its factorization.

120021012022210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216540 (or 216527 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 120021012022210 its reverse (12220210120021), we get a palindrome (132241222142231).

The spelling of 120021012022210 in words is "one hundred twenty trillion, twenty-one billion, twelve million, twenty-two thousand, two hundred ten".

Divisors: 1 2 5 10 13 19 26 38 65 95 130 169 190 247 338 494 845 1235 1690 2470 3211 6422 16055 18919 32110 37838 94595 189190 197569 245947 359461 395138 491894 718922 987845 1229735 1797305 1975690 2459470 2568397 3197311 3594610 3753811 4672993 5136794 6394622 7507622 9345986 12841985 15986555 18769055 23364965 25683970 31973110 33389161 37538110 46729930 48799543 60748909 66778322 97599086 121497818 166945805 243997715 303744545 333891610 487995430 607489090 634394059 1268788118 3171970295 3737807911 6343940590 7475615822 18689039555 37378079110 48591502843 71018350309 97183005686 142036700618 242957514215 355091751545 485915028430 631689536959 710183503090 923238554017 1263379073918 1846477108034 3158447684795 4616192770085 6316895369590 9232385540170 12002101202221 24004202404442 60010506011105 120021012022210