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12240221034 = 231727058951
BaseRepresentation
bin10110110011001001…
…01111001101101010
31011121001010122122210
423121210233031222
5200031444033114
65342330225550
7612216106416
oct133144571552
934531118583
1012240221034
115211316258
1224572852b6
131200b62152
148418add46
154b98c2259
hex2d992f36a

12240221034 has 24 divisors (see below), whose sum is σ = 26005179168. Its totient is φ = 3840068800.

The previous prime is 12240221003. The next prime is 12240221039. The reversal of 12240221034 is 43012204221.

It is a super-2 number, since 2×122402210342 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12240221034.

It is not an unprimeable number, because it can be changed into a prime (12240221039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3527742 + ... + 3531209.

It is an arithmetic number, because the mean of its divisors is an integer number (1083549132).

Almost surely, 212240221034 is an apocalyptic number.

12240221034 is an abundant number, since it is smaller than the sum of its proper divisors (13764958134).

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

12240221034 is a wasteful number, since it uses less digits than its factorization.

12240221034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7058990 (or 7058973 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 12240221034 its reverse (43012204221), we get a palindrome (55252425255).

The spelling of 12240221034 in words is "twelve billion, two hundred forty million, two hundred twenty-one thousand, thirty-four".

Divisors: 1 2 3 6 17 34 51 102 289 578 867 1734 7058951 14117902 21176853 42353706 120002167 240004334 360006501 720013002 2040036839 4080073678 6120110517 12240221034