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12320130012 = 2231026677501
BaseRepresentation
bin10110111100101011…
…00100001111011100
31011210121111110011120
423132111210033130
5200212423130022
65354303050540
7614206243251
oct133625441734
934717443146
1012320130012
115252435033
122479ba0a50
13121458cc78
1484c351428
154c1908d5c
hex2de5643dc

12320130012 has 12 divisors (see below), whose sum is σ = 28746970056. Its totient is φ = 4106710000.

The previous prime is 12320129989. The next prime is 12320130041. The reversal of 12320130012 is 21003102321.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 12320129973 and 12320130000.

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 3 ways as a sum of consecutive naturals, for example, 513338739 + ... + 513338762.

It is an arithmetic number, because the mean of its divisors is an integer number (2395580838).

Almost surely, 212320130012 is an apocalyptic number.

12320130012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12320130012 is an abundant number, since it is smaller than the sum of its proper divisors (16426840044).

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

12320130012 is a wasteful number, since it uses less digits than its factorization.

12320130012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026677508 (or 1026677506 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12320130012 its reverse (21003102321), we get a palindrome (33323232333).

The spelling of 12320130012 in words is "twelve billion, three hundred twenty million, one hundred thirty thousand, twelve".

Divisors: 1 2 3 4 6 12 1026677501 2053355002 3080032503 4106710004 6160065006 12320130012