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120101011010220 = 223531128351503077
BaseRepresentation
bin11011010011101100110010…
…000110010011001010101100
3120202020112200221211000111010
4123103230302012103022230
5111220213332304311340
61103233350501225220
734204004004461262
oct3323546206231254
9522215627730433
10120101011010220
11352a4609763249
1211578469702210
13520262752cbc6
142192cc44a6432
15dd41824e8b80
hex6d3b321932ac

120101011010220 has 96 divisors (see below), whose sum is σ = 347134058643456. Its totient is φ = 30993506208000.

The previous prime is 120101011010203. The next prime is 120101011010249. The reversal of 120101011010220 is 22010110101021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 120101011010196 and 120101011010205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 238481322 + ... + 238984398.

It is an arithmetic number, because the mean of its divisors is an integer number (3615979777536).

Almost surely, 2120101011010220 is an apocalyptic number.

120101011010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120101011010220 is an abundant number, since it is smaller than the sum of its proper divisors (227033047633236).

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

120101011010220 is a wasteful number, since it uses less digits than its factorization.

120101011010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631471 (or 631469 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 120101011010220 its reverse (22010110101021), we get a palindrome (142111121111241).

The spelling of 120101011010220 in words is "one hundred twenty trillion, one hundred one billion, eleven million, ten thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 31 60 62 93 124 155 186 310 372 465 620 930 1860 128351 256702 385053 503077 513404 641755 770106 1006154 1283510 1509231 1540212 1925265 2012308 2515385 2567020 3018462 3850530 3978881 5030770 6036924 7546155 7701060 7957762 10061540 11936643 15092310 15595387 15915524 19894405 23873286 30184620 31190774 39788810 46786161 47746572 59683215 62381548 77976935 79577620 93572322 119366430 155953870 187144644 233930805 238732860 311907740 467861610 935723220 64570436027 129140872054 193711308081 258281744108 322852180135 387422616162 645704360270 774845232324 968556540405 1291408720540 1937113080810 2001683516837 3874226161620 4003367033674 6005050550511 8006734067348 10008417584185 12010101101022 20016835168370 24020202202044 30025252752555 40033670336740 60050505505110 120101011010220