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12122304105 = 35808153607
BaseRepresentation
bin10110100101000101…
…11010111001101001
31011021211020212001010
423102202322321221
5144311302212410
65322515014133
7606254612322
oct132242727151
934254225033
1012122304105
1151607a754a
12242389a349
1311b25b7412
1482dd77449
154ae37dc20
hex2d28bae69

12122304105 has 8 divisors (see below), whose sum is σ = 19395686592. Its totient is φ = 6465228848.

The previous prime is 12122304101. The next prime is 12122304127. The reversal of 12122304105 is 50140322121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12122304105 - 22 = 12122304101 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12122304101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404076789 + ... + 404076818.

It is an arithmetic number, because the mean of its divisors is an integer number (2424460824).

Almost surely, 212122304105 is an apocalyptic number.

12122304105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12122304105 is a deficient number, since it is larger than the sum of its proper divisors (7273382487).

12122304105 is an equidigital number, since it uses as much as digits as its factorization.

12122304105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808153615.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 12122304105 its reverse (50140322121), we get a palindrome (62262626226).

The spelling of 12122304105 in words is "twelve billion, one hundred twenty-two million, three hundred four thousand, one hundred five".

Divisors: 1 3 5 15 808153607 2424460821 4040768035 12122304105