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12021112007 is a prime number
BaseRepresentation
bin10110011001000001…
…11001110011000111
31011000202211202120122
423030200321303013
5144104401041012
65304502052155
7603615523532
oct131440716307
934022752518
1012021112007
115109671413
1223b5a1a05b
131197647138
14820755a19
154a5540e72
hex2cc839cc7

12021112007 has 2 divisors, whose sum is σ = 12021112008. Its totient is φ = 12021112006.

The previous prime is 12021112001. The next prime is 12021112009. The reversal of 12021112007 is 70021112021.

12021112007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12021112007 - 220 = 12020063431 is a prime.

Together with 12021112009, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12021112001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010556003 + 6010556004.

It is an arithmetic number, because the mean of its divisors is an integer number (6010556004).

Almost surely, 212021112007 is an apocalyptic number.

12021112007 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021112007 is an equidigital number, since it uses as much as digits as its factorization.

12021112007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 17.

Adding to 12021112007 its reverse (70021112021), we get a palindrome (82042224028).

The spelling of 12021112007 in words is "twelve billion, twenty-one million, one hundred twelve thousand, seven".