Search a number
-
+
12011031112 = 232365277343
BaseRepresentation
bin10110010111110100…
…11100101001001000
31011000001212121012011
423023322130221020
5144044310443422
65303502025304
7603434036263
oct131372345110
934001777164
1012011031112
115103a064a3
1223b2578234
131195527802
1481d28dcda
154a46ee077
hex2cbe9ca48

12011031112 has 16 divisors (see below), whose sum is σ = 23499843840. Its totient is φ = 5744406096.

The previous prime is 12011031101. The next prime is 12011031113. The reversal of 12011031112 is 21113011021.

It is a happy number.

12011031112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12011031092 and 12011031101.

It is not an unprimeable number, because it can be changed into a prime (12011031113) by changing a digit.

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, 32638488 + ... + 32638855.

It is an arithmetic number, because the mean of its divisors is an integer number (1468740240).

Almost surely, 212011031112 is an apocalyptic number.

It is an amenable number.

12011031112 is a deficient number, since it is larger than the sum of its proper divisors (11488812728).

12011031112 is a wasteful number, since it uses less digits than its factorization.

12011031112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65277372 (or 65277368 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 12011031112 its reverse (21113011021), we get a palindrome (33124042133).

The spelling of 12011031112 in words is "twelve billion, eleven million, thirty-one thousand, one hundred twelve".

Divisors: 1 2 4 8 23 46 92 184 65277343 130554686 261109372 522218744 1501378889 3002757778 6005515556 12011031112