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12000101210020 = 2257117792273513
BaseRepresentation
bin1010111010011111110111…
…0001010001011110100100
31120111012100200112002211201
42232213331301101132210
53033102201402210040
641304434223212244
72345656460204320
oct256477561213644
946435320462751
1012000101210020
11390723a322450
121419849747084
136907b2668081
142d6b45206980
1515c23bc63a9a
hexae9fdc517a4

12000101210020 has 48 divisors (see below), whose sum is σ = 31418446808448. Its totient is φ = 3740291285760.

The previous prime is 12000101210017. The next prime is 12000101210029. The reversal of 12000101210020 is 2001210100021.

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 = 12000101209979 and 12000101210006.

It is not an unprimeable number, because it can be changed into a prime (12000101210029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3896135217 + ... + 3896138296.

It is an arithmetic number, because the mean of its divisors is an integer number (654550975176).

Almost surely, 212000101210020 is an apocalyptic number.

12000101210020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12000101210020 is an abundant number, since it is smaller than the sum of its proper divisors (19418345598428).

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

12000101210020 is a wasteful number, since it uses less digits than its factorization.

12000101210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7792273540 (or 7792273538 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12000101210020 its reverse (2001210100021), we get a palindrome (14001311310041).

The spelling of 12000101210020 in words is "twelve trillion, one hundred one million, two hundred ten thousand, twenty".

Divisors: 1 2 4 5 7 10 11 14 20 22 28 35 44 55 70 77 110 140 154 220 308 385 770 1540 7792273513 15584547026 31169094052 38961367565 54545914591 77922735130 85715008643 109091829182 155845470260 171430017286 218183658364 272729572955 342860034572 428575043215 545459145910 600005060501 857150086430 1090918291820 1200010121002 1714300172860 2400020242004 3000025302505 6000050605010 12000101210020