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121221012020332 = 227195311338046259
BaseRepresentation
bin11011100011111111110111…
…010111000101110001101100
3120220012121121202022101002011
4123203333313113011301230
5111342041113034122312
61105452055242011004
734350633453130540
oct3343776727056154
9526177552271064
10121221012020332
11356965a7073164
121171953b7a6a64
135284127c777b3
1421d11b2039a20
15e03383d64da7
hex6e3ff75c5c6c

121221012020332 has 96 divisors (see below), whose sum is σ = 262318309747200. Its totient is φ = 47861583823872.

The previous prime is 121221012020327. The next prime is 121221012020363. The reversal of 121221012020332 is 233020210122121.

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, 15836982 + ... + 22209277.

It is an arithmetic number, because the mean of its divisors is an integer number (2732482393200).

Almost surely, 2121221012020332 is an apocalyptic number.

It is an amenable number.

121221012020332 is an abundant number, since it is smaller than the sum of its proper divisors (141097297726868).

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

121221012020332 is a wasteful number, since it uses less digits than its factorization.

121221012020332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38046455 (or 38046453 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 121221012020332 its reverse (233020210122121), we get a palindrome (354241222142453).

The spelling of 121221012020332 in words is "one hundred twenty-one trillion, two hundred twenty-one billion, twelve million, twenty thousand, three hundred thirty-two".

Divisors: 1 2 4 7 14 19 28 38 53 76 106 113 133 212 226 266 371 452 532 742 791 1007 1484 1582 2014 2147 3164 4028 4294 5989 7049 8588 11978 14098 15029 23956 28196 30058 41923 60116 83846 113791 167692 227582 455164 796537 1593074 3186148 38046259 76092518 152185036 266323813 532647626 722878921 1065295252 1445757842 2016451727 2891515684 4032903454 4299227267 5060152447 8065806908 8598454534 10120304894 14115162089 17196909068 20240609788 28230324178 30094590869 38312582813 56460648356 60189181738 76625165626 81685318073 120378363476 153250331252 163370636146 227859045151 268188079691 326741272292 455718090302 536376159382 571797226511 911436180604 1072752318764 1143594453022 1595013316057 2287188906044 3190026632114 4329321857869 6380053264228 8658643715738 17317287431476 30305253005083 60610506010166 121221012020332