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120231110321112 = 233710922031298021
BaseRepresentation
bin11011010101100101111100…
…100111110010001111011000
3120202200222111210121210001010
4123111211330213302033120
5111224331303220233422
61103413224245053520
734216260665410620
oct3325457447621730
9522628453553033
10120231110321112
11353448003a309a
12115997176b72a0
13521198bb6667b
142199306c23880
15dd7748e27b0c
hex6d597c9f23d8

120231110321112 has 128 divisors (see below), whose sum is σ = 346685893171200. Its totient is φ = 34034933030400.

The previous prime is 120231110321059. The next prime is 120231110321131. The reversal of 120231110321112 is 211123011132021.

120231110321112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 403282662 + ... + 403580682.

It is an arithmetic number, because the mean of its divisors is an integer number (2708483540400).

Almost surely, 2120231110321112 is an apocalyptic number.

120231110321112 is a gapful number since it is divisible by the number (12) 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 120231110321112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173342946585600).

120231110321112 is an abundant number, since it is smaller than the sum of its proper divisors (226454782850088).

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

120231110321112 is a wasteful number, since it uses less digits than its factorization.

120231110321112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320177 (or 320173 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 120231110321112 its reverse (211123011132021), we get a palindrome (331354121453133).

The spelling of 120231110321112 in words is "one hundred twenty trillion, two hundred thirty-one billion, one hundred ten million, three hundred twenty-one thousand, one hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 109 168 218 327 436 654 763 872 1308 1526 2289 2616 3052 4578 6104 9156 18312 22031 44062 66093 88124 132186 154217 176248 264372 298021 308434 462651 528744 596042 616868 894063 925302 1192084 1233736 1788126 1850604 2086147 2384168 2401379 3576252 3701208 4172294 4802758 6258441 7152504 7204137 8344588 9605516 12516882 14408274 16689176 16809653 19211032 25033764 28816548 32484289 33619306 50067528 50428959 57633096 64968578 67238612 97452867 100857918 129937156 134477224 194905734 201715836 227390023 259874312 389811468 403431672 454780046 682170069 779622936 909560092 1364340138 1819120184 2728680276 5457360552 6565700651 13131401302 19697101953 26262802604 39394203906 45959904557 52525605208 78788407812 91919809114 137879713671 157576815624 183839618228 275759427342 367679236456 551518854684 715661370959 1103037709368 1431322741918 2146984112877 2862645483836 4293968225754 5009629596713 5725290967672 8587936451508 10019259193426 15028888790139 17175872903016 20038518386852 30057777580278 40077036773704 60115555160556 120231110321112