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12012000102020 = 225600600005101
BaseRepresentation
bin1010111011001100001011…
…1111111100011010000100
31120112100001221101110002102
42232303002333330122010
53033301034011231040
641314123041531232
72346560363132462
oct256630277743204
946470057343072
1012012000102020
1139112959a6096
12142000a643b18
1369195a88b979
142d7553625832
1515c6d66b1515
hexaecc2ffc684

12012000102020 has 12 divisors (see below), whose sum is σ = 25225200214284. Its totient is φ = 4804800040800.

The previous prime is 12012000102013. The next prime is 12012000102031. The reversal of 12012000102020 is 2020100021021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4347917247556 + 7664082854464 = 2085166^2 + 2768408^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12012000101992 and 12012000102010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300300002531 + ... + 300300002570.

It is an arithmetic number, because the mean of its divisors is an integer number (2102100017857).

Almost surely, 212012000102020 is an apocalyptic number.

12012000102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12012000102020 is an abundant number, since it is smaller than the sum of its proper divisors (13213200112264).

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

12012000102020 is a wasteful number, since it uses less digits than its factorization.

12012000102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600600005110 (or 600600005108 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12012000102020 its reverse (2020100021021), we get a palindrome (14032100123041).

The spelling of 12012000102020 in words is "twelve trillion, twelve billion, one hundred two thousand, twenty".

Divisors: 1 2 4 5 10 20 600600005101 1201200010202 2402400020404 3003000025505 6006000051010 12012000102020