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12010122120020 = 225600506106001
BaseRepresentation
bin1010111011000101001100…
…0100000000101101010100
31120112011020001122002002112
42232301103010000231110
53033233212230320040
641313212434130152
72346463010425343
oct256612304005524
946464201562075
1012010122120020
113910511919452
12141b785720958
1369171b796c0b
142d741604db5a
1515c6268a2365
hexaec53100b54

12010122120020 has 12 divisors (see below), whose sum is σ = 25221256452084. Its totient is φ = 4804048848000.

The previous prime is 12010122120011. The next prime is 12010122120097. The reversal of 12010122120020 is 2002122101021.

It can be written as a sum of positive squares in 2 ways, for example, as 7316191883716 + 4693930236304 = 2704846^2 + 2166548^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12010122119977 and 12010122120004.

It is a congruent number.

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, 300253052981 + ... + 300253053020.

It is an arithmetic number, because the mean of its divisors is an integer number (2101771371007).

Almost surely, 212010122120020 is an apocalyptic number.

12010122120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12010122120020 is an abundant number, since it is smaller than the sum of its proper divisors (13211134332064).

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

12010122120020 is a wasteful number, since it uses less digits than its factorization.

12010122120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600506106010 (or 600506106008 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12010122120020 its reverse (2002122101021), we get a palindrome (14012244221041).

The spelling of 12010122120020 in words is "twelve trillion, ten billion, one hundred twenty-two million, one hundred twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 600506106001 1201012212002 2402024424004 3002530530005 6005061060010 12010122120020