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12000012002020 = 2257101848657143
BaseRepresentation
bin1010111010011111100001…
…1100111110001011100100
31120111012010110122212110201
42232213320130332023210
53033102011033031040
641304421315200244
72345654325020560
oct256477034761344
946435113585421
1012000012002020
1139071a3a32129
1214198238a6084
1369079a032783
142d6b374246a0
1515c233ee1a9a
hexae9f873e2e4

12000012002020 has 48 divisors (see below), whose sum is σ = 29085177639168. Its totient is φ = 4073554281600.

The previous prime is 12000012001987. The next prime is 12000012002051. The reversal of 12000012002020 is 2020021000021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 12000012001988 and 12000012002006.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 424314432 + ... + 424342711.

It is an arithmetic number, because the mean of its divisors is an integer number (605941200816).

Almost surely, 212000012002020 is an apocalyptic number.

12000012002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12000012002020 is an abundant number, since it is smaller than the sum of its proper divisors (17085165637148).

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

12000012002020 is a wasteful number, since it uses less digits than its factorization.

12000012002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848657260 (or 848657258 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 12000012002020 its reverse (2020021000021), we get a palindrome (14020033002041).

The spelling of 12000012002020 in words is "twelve trillion, twelve million, two thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 101 140 202 404 505 707 1010 1414 2020 2828 3535 7070 14140 848657143 1697314286 3394628572 4243285715 5940600001 8486571430 11881200002 16973142860 23762400004 29703000005 59406000010 85714371443 118812000020 171428742886 342857485772 428571857215 600000600101 857143714430 1200001200202 1714287428860 2400002400404 3000003000505 6000006001010 12000012002020