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12000322031 = 89313430783
BaseRepresentation
bin10110010110100011…
…00110000111101111
31010222022201112002112
423023101212013233
5144034040301111
65302440314235
7603244024415
oct131321460757
933868645075
1012000322031
1150a8961615
1223aaa7297b
131193248289
1481baa32b5
154a37d5e8b
hex2cb4661ef

12000322031 has 8 divisors (see below), whose sum is σ = 12173955840. Its totient is φ = 11827550592.

The previous prime is 12000322027. The next prime is 12000322039. The reversal of 12000322031 is 13022300021.

It is a happy number.

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 12000322031 - 22 = 12000322027 is a prime.

It is a super-2 number, since 2×120003220312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12000321997 and 12000322015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000322039) 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 7 ways as a sum of consecutive naturals, for example, 187535 + ... + 243248.

It is an arithmetic number, because the mean of its divisors is an integer number (1521744480).

Almost surely, 212000322031 is an apocalyptic number.

12000322031 is a deficient number, since it is larger than the sum of its proper divisors (173633809).

12000322031 is an equidigital number, since it uses as much as digits as its factorization.

12000322031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431185.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 12000322031 its reverse (13022300021), we get a palindrome (25022622052).

The spelling of 12000322031 in words is "twelve billion, three hundred twenty-two thousand, thirty-one".

Divisors: 1 89 313 27857 430783 38339687 134835079 12000322031