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120221102122120 = 23519597193728947
BaseRepresentation
bin11011010101011100101000…
…000101100010010010001000
3120202200000200022102121000101
4123111130220011202102020
5111224200304120401440
61103404451210415144
734215454661210116
oct3325345005422210
9522600608377011
10120221102122120
1135340534a9905a
12115977a3a314b4
135210a5556832c
142198a37968ab6
15dd736049a69a
hex6d5728162488

120221102122120 has 128 divisors (see below), whose sum is σ = 289962996480000. Its totient is φ = 44723009440512.

The previous prime is 120221102122117. The next prime is 120221102122193. The reversal of 120221102122120 is 21221201122021.

It is a super-2 number, since 2×1202211021221202 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30375487 + ... + 34104433.

It is an arithmetic number, because the mean of its divisors is an integer number (2265335910000).

Almost surely, 2120221102122120 is an apocalyptic number.

120221102122120 is a gapful number since it is divisible by the number (10) 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 120221102122120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144981498240000).

120221102122120 is an abundant number, since it is smaller than the sum of its proper divisors (169741894357880).

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

120221102122120 is a wasteful number, since it uses less digits than its factorization.

120221102122120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3729755 (or 3729751 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 120221102122120 its reverse (21221201122021), we get a palindrome (141442303244141).

The spelling of 120221102122120 in words is "one hundred twenty trillion, two hundred twenty-one billion, one hundred two million, one hundred twenty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 19 20 38 40 59 76 95 118 152 190 236 295 380 472 590 719 760 1121 1180 1438 2242 2360 2876 3595 4484 5605 5752 7190 8968 11210 13661 14380 22420 27322 28760 42421 44840 54644 68305 84842 109288 136610 169684 212105 273220 339368 424210 546440 805999 848420 1611998 1696840 3223996 3728947 4029995 6447992 7457894 8059990 14915788 16119980 18644735 29831576 32239960 37289470 70849993 74578940 141699986 149157880 220007873 283399972 354249965 440015746 566799944 708499930 880031492 1100039365 1416999860 1760062984 2200078730 2681112893 2833999720 4180149587 4400157460 5362225786 8360299174 8800314920 10724451572 13405564465 16720598348 20900747935 21448903144 26811128930 33441196696 41801495870 50941144967 53622257860 83602991740 101882289934 107244515720 158185660687 167205983480 203764579868 254705724835 316371321374 407529159736 509411449670 632742642748 790928303435 1018822899340 1265485285496 1581856606870 2037645798680 3005527553053 3163713213740 6011055106106 6327426427480 12022110212212 15027637765265 24044220424424 30055275530530 60110551061060 120221102122120