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12711480012 = 22347112322153
BaseRepresentation
bin10111101011010100…
…11100101011001100
31012210212220002110000
423311222130223030
5202013114330022
65501203044300
7630000540330
oct136552345314
935725802400
1012711480012
115433332090
122569070690
13127769330a
148883037c0
154e5e5e6ac
hex2f5a9cacc

12711480012 has 240 divisors, whose sum is σ = 43233265152. Its totient is φ = 3157989120.

The previous prime is 12711480011. The next prime is 12711480029. The reversal of 12711480012 is 21008411721.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12711480011) by changing a digit.

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 79 ways as a sum of consecutive naturals, for example, 562728 + ... + 584880.

Almost surely, 212711480012 is an apocalyptic number.

12711480012 is a gapful number since it is divisible by the number (12) 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 12711480012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21616632576).

12711480012 is an abundant number, since it is smaller than the sum of its proper divisors (30521785140).

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

12711480012 is a wasteful number, since it uses less digits than its factorization.

12711480012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22210 (or 22199 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

Adding to 12711480012 its reverse (21008411721), we get a palindrome (33719891733).

The spelling of 12711480012 in words is "twelve billion, seven hundred eleven million, four hundred eighty thousand, twelve".