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12122102012232 = 233505087583843
BaseRepresentation
bin1011000001100110010110…
…0101011001100101001000
31120220212021010112222222210
42300121211211121211020
53042102031103342412
641440452231545120
72360535663002322
oct260314545314510
946825233488883
1012122102012232
113953a55621913
12143941752b1a0
1369c15621a974
142dc9da176612
151604cc6d983c
hexb0665959948

12122102012232 has 16 divisors (see below), whose sum is σ = 30305255030640. Its totient is φ = 4040700670736.

The previous prime is 12122102012231. The next prime is 12122102012239. The reversal of 12122102012232 is 23221020122121.

It is a junction number, because it is equal to n+sod(n) for n = 12122102012199 and 12122102012208.

It is not an unprimeable number, because it can be changed into a prime (12122102012231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252543791898 + ... + 252543791945.

It is an arithmetic number, because the mean of its divisors is an integer number (1894078439415).

Almost surely, 212122102012232 is an apocalyptic number.

12122102012232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12122102012232 is an abundant number, since it is smaller than the sum of its proper divisors (18183153018408).

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

12122102012232 is a wasteful number, since it uses less digits than its factorization.

12122102012232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505087583852 (or 505087583848 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 12122102012232 its reverse (23221020122121), we get a palindrome (35343122134353).

The spelling of 12122102012232 in words is "twelve trillion, one hundred twenty-two billion, one hundred two million, twelve thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 24 505087583843 1010175167686 1515262751529 2020350335372 3030525503058 4040700670744 6061051006116 12122102012232