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12111112132 = 227432539719
BaseRepresentation
bin10110100011110000…
…01110011111000100
31011021001012020112121
423101320032133010
5144300421042012
65321435055324
7606060516550
oct132170163704
934231166477
1012111112132
115155452889
12241bba1544
1311b0199152
1482c6a2860
154ad3bca07
hex2d1e0e7c4

12111112132 has 12 divisors (see below), whose sum is σ = 24222224320. Its totient is φ = 5190476616.

The previous prime is 12111112121. The next prime is 12111112151. The reversal of 12111112132 is 23121111121.

It is a happy number.

12111112132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

12111112132 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 216269832 + ... + 216269887.

Almost surely, 212111112132 is an apocalyptic number.

It is an amenable number.

12111112132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12111112132 is a wasteful number, since it uses less digits than its factorization.

12111112132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432539730 (or 432539728 counting only the distinct ones).

The product of its digits is 24, while the sum is 16.

Adding to 12111112132 its reverse (23121111121), we get a palindrome (35232223253).

The spelling of 12111112132 in words is "twelve billion, one hundred eleven million, one hundred twelve thousand, one hundred thirty-two".

Divisors: 1 2 4 7 14 28 432539719 865079438 1730158876 3027778033 6055556066 12111112132