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12122301442 = 2311511294841
BaseRepresentation
bin10110100101000101…
…11010010000000010
31011021211020201101111
423102202322100002
5144311302121232
65322514553534
7606254601466
oct132242722002
934254221344
1012122301442
1151607a5549
1224238988aa
1311b25b6144
1482dd764a6
154ae37d047
hex2d28ba402

12122301442 has 16 divisors (see below), whose sum is σ = 18894334464. Its totient is φ = 5826780000.

The previous prime is 12122301437. The next prime is 12122301461. The reversal of 12122301442 is 24410322121.

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 7 ways as a sum of consecutive naturals, for example, 638059 + ... + 656782.

It is an arithmetic number, because the mean of its divisors is an integer number (1180895904).

Almost surely, 212122301442 is an apocalyptic number.

12122301442 is a deficient number, since it is larger than the sum of its proper divisors (6772033022).

12122301442 is a wasteful number, since it uses less digits than its factorization.

12122301442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295025.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 12122301442 its reverse (24410322121), we get a palindrome (36532623563).

The spelling of 12122301442 in words is "twelve billion, one hundred twenty-two million, three hundred one thousand, four hundred forty-two".

Divisors: 1 2 31 62 151 302 4681 9362 1294841 2589682 40140071 80280142 195520991 391041982 6061150721 12122301442