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12212032012 = 2224164119763
BaseRepresentation
bin10110101111110010…
…01101001000001100
31011112002002111120221
423113321031020030
5200002240011022
65335442121124
7611424362605
oct132771151014
934462074527
1012212032012
1151a7412444
1224499501a4
1311c807255b
1483bc52dac
154b71a4cc7
hex2d7e4d20c

12212032012 has 24 divisors (see below), whose sum is σ = 21494298672. Its totient is φ = 6070886400.

The previous prime is 12212032009. The next prime is 12212032031. The reversal of 12212032012 is 21023021221.

It is a happy number.

12212032012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×122120320122 (a number of 21 digits) contains 22 as substring.

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, 608043 + ... + 627805.

It is an arithmetic number, because the mean of its divisors is an integer number (895595778).

Almost surely, 212212032012 is an apocalyptic number.

It is an amenable number.

12212032012 is a deficient number, since it is larger than the sum of its proper divisors (9282266660).

12212032012 is a wasteful number, since it uses less digits than its factorization.

12212032012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20649 (or 20647 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12212032012 its reverse (21023021221), we get a palindrome (33235053233).

The spelling of 12212032012 in words is "twelve billion, two hundred twelve million, thirty-two thousand, twelve".

Divisors: 1 2 4 241 482 641 964 1282 2564 19763 39526 79052 154481 308962 617924 4762883 9525766 12668083 19051532 25336166 50672332 3053008003 6106016006 12212032012