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12123104322 = 237288645341
BaseRepresentation
bin10110100101001011…
…11110010001000010
31011021212202111201210
423102211332101002
5144312003314242
65322544110550
7606264454320
oct132245762102
934255674653
1012123104322
1151611a378a
122424005456
1311b2807714
14830104d10
154ae48ad9c
hex2d297e442

12123104322 has 16 divisors (see below), whose sum is σ = 27709952832. Its totient is φ = 3463744080.

The previous prime is 12123104269. The next prime is 12123104347. The reversal of 12123104322 is 22340132121.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 144322629 + ... + 144322712.

It is an arithmetic number, because the mean of its divisors is an integer number (1731872052).

Almost surely, 212123104322 is an apocalyptic number.

12123104322 is an abundant number, since it is smaller than the sum of its proper divisors (15586848510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12123104322 is a wasteful number, since it uses less digits than its factorization.

12123104322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288645353.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12123104322 its reverse (22340132121), we get a palindrome (34463236443).

The spelling of 12123104322 in words is "twelve billion, one hundred twenty-three million, one hundred four thousand, three hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 288645341 577290682 865936023 1731872046 2020517387 4041034774 6061552161 12123104322