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12230213012 = 228336837991
BaseRepresentation
bin10110110001111101…
…00011110110010100
31011120100022012020022
423120332203312110
5200021413304022
65341331524312
7612035044463
oct133076436624
934510265208
1012230213012
115206700066
122453a59698
1311cba69a44
148404269da
154b8a96c42
hex2d8fa3d94

12230213012 has 12 divisors (see below), whose sum is σ = 21660739296. Its totient is φ = 6041430360.

The previous prime is 12230212963. The next prime is 12230213059. The reversal of 12230213012 is 21031203221.

It is a super-4 number, since 4×122302130124 (a number of 41 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 18418664 + ... + 18419327.

It is an arithmetic number, because the mean of its divisors is an integer number (1805061608).

Almost surely, 212230213012 is an apocalyptic number.

It is an amenable number.

12230213012 is a deficient number, since it is larger than the sum of its proper divisors (9430526284).

12230213012 is a wasteful number, since it uses less digits than its factorization.

12230213012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36838078 (or 36838076 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12230213012 its reverse (21031203221), we get a palindrome (33261416233).

The spelling of 12230213012 in words is "twelve billion, two hundred thirty million, two hundred thirteen thousand, twelve".

Divisors: 1 2 4 83 166 332 36837991 73675982 147351964 3057553253 6115106506 12230213012