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20120010200000 = 2655255739343
BaseRepresentation
bin1001001001100100011100…
…00011111001001111000000
32122020110021002211022220222
410210302032003321033000
510114121240102400000
6110443001033122212
74144423415625614
oct444621603711700
978213232738828
1020120010200000
116457937259607
12230b486859368
13b2c40262c9b9
144d7b56a9b344
1524d57aba3a85
hex124c8e0f93c0

20120010200000 has 168 divisors, whose sum is σ = 49924647993024. Its totient is φ = 8044652160000.

The previous prime is 20120010199973. The next prime is 20120010200021. The reversal of 20120010200000 is 201002102.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 511380329 + ... + 511419671.

It is an arithmetic number, because the mean of its divisors is an integer number (297170523768).

Almost surely, 220120010200000 is an apocalyptic number.

20120010200000 is a gapful number since it is divisible by the number (20) 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 20120010200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24962323996512).

20120010200000 is an abundant number, since it is smaller than the sum of its proper divisors (29804637793024).

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

20120010200000 is an frugal number, since it uses more digits than its factorization.

20120010200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41937 (or 41907 counting only the distinct ones).

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

Adding to 20120010200000 its reverse (201002102), we get a palindrome (20120211202102).

The spelling of 20120010200000 in words is "twenty trillion, one hundred twenty billion, ten million, two hundred thousand".