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12210242312 = 234271357359
BaseRepresentation
bin10110101111100100…
…11000001100001000
31011111221201120120202
423113302120030020
5200001310223222
65335335511332
7611403230042
oct132762301410
934457646522
1012210242312
1151a63aa854
122449228548
1311c7896a68
1483b908a92
154b6e4e892
hex2d7c98308

12210242312 has 16 divisors (see below), whose sum is σ = 22899628800. Its totient is φ = 6103674640.

The previous prime is 12210242309. The next prime is 12210242411. The reversal of 12210242312 is 21324201221.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144512 + ... + 212847.

It is an arithmetic number, because the mean of its divisors is an integer number (1431226800).

Almost surely, 212210242312 is an apocalyptic number.

It is an amenable number.

12210242312 is a deficient number, since it is larger than the sum of its proper divisors (10689386488).

12210242312 is a wasteful number, since it uses less digits than its factorization.

12210242312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361636 (or 361632 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12210242312 its reverse (21324201221), we get a palindrome (33534443533).

The spelling of 12210242312 in words is "twelve billion, two hundred ten million, two hundred forty-two thousand, three hundred twelve".

Divisors: 1 2 4 8 4271 8542 17084 34168 357359 714718 1429436 2858872 1526280289 3052560578 6105121156 12210242312