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12100069 is a prime number
BaseRepresentation
bin101110001010…
…000111100101
3211202202011201
4232022013211
511044200234
61111202501
7204564112
oct56120745
924682151
1012100069
116914a63
124076431
132678707
14186d909
1510e0314
hexb8a1e5

12100069 has 2 divisors, whose sum is σ = 12100070. Its totient is φ = 12100068.

The previous prime is 12100063. The next prime is 12100079. The reversal of 12100069 is 96000121.

12100069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11628100 + 471969 = 3410^2 + 687^2 .

It is a cyclic number.

It is not a de Polignac number, because 12100069 - 29 = 12099557 is a prime.

It is a super-2 number, since 2×121000692 = 292823339609522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12100063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050034 + 6050035.

It is an arithmetic number, because the mean of its divisors is an integer number (6050035).

Almost surely, 212100069 is an apocalyptic number.

It is an amenable number.

12100069 is a deficient number, since it is larger than the sum of its proper divisors (1).

12100069 is an equidigital number, since it uses as much as digits as its factorization.

12100069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 12100069 is about 3478.5153442237. The cubic root of 12100069 is about 229.5774788518.

The spelling of 12100069 in words is "twelve million, one hundred thousand, sixty-nine".