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120212101021020 = 223517239493117159
BaseRepresentation
bin11011010101010100001111…
…100101000011110101011100
3120202122011110000021021120120
4123111110033211003311130
5111224023340330133040
61103400402105514540
734215015633131631
oct3325241745036534
9522564400237516
10120212101021020
1135337736115628
1211595ab14a2a50
13520cc4c7c0ac8
142198422348188
15dd6ed51527d0
hex6d550f943d5c

120212101021020 has 96 divisors (see below), whose sum is σ = 357884710041600. Its totient is φ = 30044642202624.

The previous prime is 120212101020989. The next prime is 120212101021063. The reversal of 120212101021020 is 20120101212021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

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, 246314800 + ... + 246802359.

It is an arithmetic number, because the mean of its divisors is an integer number (3727965729600).

Almost surely, 2120212101021020 is an apocalyptic number.

120212101021020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120212101021020 is an abundant number, since it is smaller than the sum of its proper divisors (237672609020580).

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

120212101021020 is a wasteful number, since it uses less digits than its factorization.

120212101021020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493117427 (or 493117425 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 120212101021020 its reverse (20120101212021), we get a palindrome (140332202233041).

The spelling of 120212101021020 in words is "one hundred twenty trillion, two hundred twelve billion, one hundred one million, twenty-one thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 30 34 51 60 68 85 102 170 204 239 255 340 478 510 717 956 1020 1195 1434 2390 2868 3585 4063 4780 7170 8126 12189 14340 16252 20315 24378 40630 48756 60945 81260 121890 243780 493117159 986234318 1479351477 1972468636 2465585795 2958702954 4931171590 5917405908 7396757385 8382991703 9862343180 14793514770 16765983406 25148975109 29587029540 33531966812 41914958515 50297950218 83829917030 100595900436 117855001001 125744875545 167659834060 235710002002 251489751090 353565003003 471420004004 502979502180 589275005005 707130006006 1178550010010 1414260012012 1767825015015 2003535017017 2357100020020 3535650030030 4007070034034 6010605051051 7071300060060 8014140068068 10017675085085 12021210102102 20035350170170 24042420204204 30053025255255 40070700340340 60106050510510 120212101021020