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12011131425 = 352413906059
BaseRepresentation
bin10110010111110101…
…10101001000100001
31011000002001200210110
423023322311020201
5144044322201200
65303504121533
7603434634606
oct131372651041
934002050713
1012011131425
115103a748a7
1223b26062a9
131195561377
1481d2b86ad
154a471db50
hex2cbeb5221

12011131425 has 24 divisors (see below), whose sum is σ = 20342760480. Its totient is φ = 6249692800.

The previous prime is 12011131411. The next prime is 12011131453. The reversal of 12011131425 is 52413111021.

12011131425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12011131425 - 26 = 12011131361 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1949955 + ... + 1956104.

It is an arithmetic number, because the mean of its divisors is an integer number (847615020).

Almost surely, 212011131425 is an apocalyptic number.

12011131425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12011131425 is a deficient number, since it is larger than the sum of its proper divisors (8331629055).

12011131425 is a wasteful number, since it uses less digits than its factorization.

12011131425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3906113 (or 3906108 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 12011131425 its reverse (52413111021), we get a palindrome (64424242446).

The spelling of 12011131425 in words is "twelve billion, eleven million, one hundred thirty-one thousand, four hundred twenty-five".

Divisors: 1 3 5 15 25 41 75 123 205 615 1025 3075 3906059 11718177 19530295 58590885 97651475 160148419 292954425 480445257 800742095 2402226285 4003710475 12011131425