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12012122130 = 235400404071
BaseRepresentation
bin10110010111111101…
…00111000000010010
31011000010221000210020
423023332213000102
5144100100402010
65303541244310
7603446232141
oct131376470022
934003830706
1012012122130
115104591168
1223b2a03696
13119581a298
1481d495758
154a4867470
hex2cbfa7012

12012122130 has 16 divisors (see below), whose sum is σ = 28829093184. Its totient is φ = 3203232560.

The previous prime is 12012122099. The next prime is 12012122147. The reversal of 12012122130 is 3122121021.

12012122130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 200202006 + ... + 200202065.

It is an arithmetic number, because the mean of its divisors is an integer number (1801818324).

Almost surely, 212012122130 is an apocalyptic number.

12012122130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12012122130 is an abundant number, since it is smaller than the sum of its proper divisors (16816971054).

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

12012122130 is a wasteful number, since it uses less digits than its factorization.

12012122130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400404081.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12012122130 its reverse (3122121021), we get a palindrome (15134243151).

The spelling of 12012122130 in words is "twelve billion, twelve million, one hundred twenty-two thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 400404071 800808142 1201212213 2002020355 2402424426 4004040710 6006061065 12012122130