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12212433244 = 22111432119381
BaseRepresentation
bin10110101111110101…
…01111000101011100
31011112002211212222101
423113322233011130
5200002340330434
65335454454444
7611430653434
oct132772570534
934462755871
1012212433244
1151a7666940
122449b04424
1311c818307b
1483bd192c4
154b7233b14
hex2d7eaf15c

12212433244 has 24 divisors (see below), whose sum is σ = 23317476336. Its totient is φ = 5550432000.

The previous prime is 12212433209. The next prime is 12212433251. The reversal of 12212433244 is 44233421221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 620434 + ... + 639814.

It is an arithmetic number, because the mean of its divisors is an integer number (971561514).

Almost surely, 212212433244 is an apocalyptic number.

It is an amenable number.

12212433244 is a deficient number, since it is larger than the sum of its proper divisors (11105043092).

12212433244 is a wasteful number, since it uses less digits than its factorization.

12212433244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33717 (or 33715 counting only the distinct ones).

The product of its digits is 9216, while the sum is 28.

Adding to 12212433244 its reverse (44233421221), we get a palindrome (56445854465).

The spelling of 12212433244 in words is "twelve billion, two hundred twelve million, four hundred thirty-three thousand, two hundred forty-four".

Divisors: 1 2 4 11 22 44 14321 19381 28642 38762 57284 77524 157531 213191 315062 426382 630124 852764 277555301 555110602 1110221204 3053108311 6106216622 12212433244