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12231253312 = 26307622519
BaseRepresentation
bin10110110010000101…
…00001110101000000
31011120102021001020221
423121002201311000
5200022200101222
65341410112424
7612046636435
oct133102416500
934512231227
1012231253312
115207250713
12245427b714
1311cc0423c5
14840617b8c
154b8c000c7
hex2d90a1d40

12231253312 has 28 divisors (see below), whose sum is σ = 24350492320. Its totient is φ = 6095696256.

The previous prime is 12231253301. The next prime is 12231253367. The reversal of 12231253312 is 21335213221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291612 + ... + 330907.

It is an arithmetic number, because the mean of its divisors is an integer number (869660440).

Almost surely, 212231253312 is an apocalyptic number.

It is an amenable number.

12231253312 is a deficient number, since it is larger than the sum of its proper divisors (12119239008).

12231253312 is an equidigital number, since it uses as much as digits as its factorization.

12231253312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622838 (or 622828 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

Adding to 12231253312 its reverse (21335213221), we get a palindrome (33566466533).

The spelling of 12231253312 in words is "twelve billion, two hundred thirty-one million, two hundred fifty-three thousand, three hundred twelve".

Divisors: 1 2 4 8 16 32 64 307 614 1228 2456 4912 9824 19648 622519 1245038 2490076 4980152 9960304 19920608 39841216 191113333 382226666 764453332 1528906664 3057813328 6115626656 12231253312