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12012120103 is a prime number
BaseRepresentation
bin10110010111111101…
…00110100000100111
31011000010220221000011
423023332212200213
5144100100320403
65303541231051
7603446223214
oct131376464047
934003827004
1012012120103
11510458a695
1223b2a02487
131195819399
1481d494b0b
154a4866a6d
hex2cbfa6827

12012120103 has 2 divisors, whose sum is σ = 12012120104. Its totient is φ = 12012120102.

The previous prime is 12012120097. The next prime is 12012120149. The reversal of 12012120103 is 30102121021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12012120103 - 221 = 12010022951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12012120203) 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 as a sum of consecutive naturals, namely, 6006060051 + 6006060052.

It is an arithmetic number, because the mean of its divisors is an integer number (6006060052).

Almost surely, 212012120103 is an apocalyptic number.

12012120103 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012120103 is an equidigital number, since it uses as much as digits as its factorization.

12012120103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12012120103 its reverse (30102121021), we get a palindrome (42114241124).

The spelling of 12012120103 in words is "twelve billion, twelve million, one hundred twenty thousand, one hundred three".