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12122315344 = 243672064427
BaseRepresentation
bin10110100101000101…
…11101101001010000
31011021211021102110101
423102202331221100
5144311303042334
65322515142144
7606254660146
oct132242755120
934254242411
1012122315344
115160804a37
1224238a4954
1311b25bc579
1482dd7b596
154ae382214
hex2d28bda50

12122315344 has 20 divisors (see below), whose sum is σ = 23550994624. Its totient is φ = 6044639328.

The previous prime is 12122315323. The next prime is 12122315363. The reversal of 12122315344 is 44351322121.

It is a congruent number.

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, 1026342 + ... + 1038085.

Almost surely, 212122315344 is an apocalyptic number.

It is an amenable number.

12122315344 is a deficient number, since it is larger than the sum of its proper divisors (11428679280).

12122315344 is a wasteful number, since it uses less digits than its factorization.

12122315344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064802 (or 2064796 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

Adding to 12122315344 its reverse (44351322121), we get a palindrome (56473637465).

The spelling of 12122315344 in words is "twelve billion, one hundred twenty-two million, three hundred fifteen thousand, three hundred forty-four".

Divisors: 1 2 4 8 16 367 734 1468 2936 5872 2064427 4128854 8257708 16515416 33030832 757644709 1515289418 3030578836 6061157672 12122315344