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12021425420000 = 2554678971213
BaseRepresentation
bin1010111011101111010011…
…0010101011011011100000
31120120020101210210012200112
42232323310302223123200
53033424334401420000
641322322215110452
72350343062043603
oct256736462533340
946506353705615
1012021425420000
113915292284a87
1214219bb072428
136928004a63b9
142d7ba931233a
1515ca88da3235
hexaeef4cab6e0

12021425420000 has 120 divisors (see below), whose sum is σ = 30015923686056. Its totient is φ = 4736799936000.

The previous prime is 12021425419961. The next prime is 12021425420023. The reversal of 12021425420000 is 2452412021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3145607 + ... + 5825606.

Almost surely, 212021425420000 is an apocalyptic number.

12021425420000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12021425420000 is an abundant number, since it is smaller than the sum of its proper divisors (17994498266056).

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

12021425420000 is an frugal number, since it uses more digits than its factorization.

12021425420000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8971310 (or 8971287 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 12021425420000 its reverse (2452412021), we get a palindrome (12023877832021).

The spelling of 12021425420000 in words is "twelve trillion, twenty-one billion, four hundred twenty-five million, four hundred twenty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 67 80 100 125 134 160 200 250 268 335 400 500 536 625 670 800 1000 1072 1250 1340 1675 2000 2144 2500 2680 3350 4000 5000 5360 6700 8375 10000 10720 13400 16750 20000 26800 33500 41875 53600 67000 83750 134000 167500 268000 335000 670000 1340000 8971213 17942426 35884852 44856065 71769704 89712130 143539408 179424260 224280325 287078816 358848520 448560650 601071271 717697040 897121300 1121401625 1202142542 1435394080 1794242600 2242803250 2404285084 3005356355 3588485200 4485606500 4808570168 5607008125 6010712710 7176970400 8971213000 9617140336 11214016250 12021425420 15026781775 17942426000 19234280672 22428032500 24042850840 30053563550 35884852000 44856065000 48085701680 60107127100 75133908875 89712130000 96171403360 120214254200 150267817750 179424260000 240428508400 300535635500 375669544375 480857016800 601071271000 751339088750 1202142542000 1502678177500 2404285084000 3005356355000 6010712710000 12021425420000