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121332012021132 = 223112352737579069
BaseRepresentation
bin11011100101100111001111…
…011110011111010110001100
3120220121020010112101122122220
4123211213033132133112030
5111400400430034134012
61110015053513135340
734361643236434323
oct3345471736372614
9526536115348586
10121332012021132
1135729687737710
1211736b593ba550
1352917376b2043
1421d6701d6b0ba
15e061cdb3e08c
hex6e59cf79f58c

121332012021132 has 96 divisors (see below), whose sum is σ = 322334330411520. Its totient is φ = 35162024916480.

The previous prime is 121332012021107. The next prime is 121332012021133. The reversal of 121332012021132 is 231120210233121.

It is a super-3 number, since 3×1213320120211323 (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (121332012021133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12219294 + ... + 19798362.

It is an arithmetic number, because the mean of its divisors is an integer number (3357649275120).

Almost surely, 2121332012021132 is an apocalyptic number.

121332012021132 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 121332012021132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161167165205760).

121332012021132 is an abundant number, since it is smaller than the sum of its proper divisors (201002318390388).

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

121332012021132 is a wasteful number, since it uses less digits than its factorization.

121332012021132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7584383 (or 7584381 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 121332012021132 its reverse (231120210233121), we get a palindrome (352452222254253).

The spelling of 121332012021132 in words is "one hundred twenty-one trillion, three hundred thirty-two billion, twelve million, twenty-one thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 11 12 22 23 33 44 46 66 69 92 132 138 253 276 506 759 1012 1518 3036 5273 10546 15819 21092 31638 58003 63276 116006 121279 174009 232012 242558 348018 363837 485116 696036 727674 1334069 1455348 2668138 4002207 5336276 7579069 8004414 15158138 16008828 22737207 30316276 45474414 83369759 90948828 166739518 174318587 250109277 333479036 348637174 500218554 522955761 697274348 1000437108 1045911522 1917504457 2091823044 3835008914 5752513371 7670017828 11505026742 23010053484 39964430837 79928861674 119893292511 159857723348 239786585022 439608739207 479573170044 879217478414 919181909251 1318826217621 1758434956828 1838363818502 2637652435242 2757545727753 3676727637004 5275304870484 5515091455506 10111001001761 11030182911012 20222002003522 30333003005283 40444004007044 60666006010566 121332012021132