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12100973 is a prime number
BaseRepresentation
bin101110001010…
…010101101101
3211202210102012
4232022111231
511044212343
61111211005
7204566543
oct56122555
924683365
1012100973
116915705
124076a65
132678c51
14186dd93
1510e0718
hexb8a56d

12100973 has 2 divisors, whose sum is σ = 12100974. Its totient is φ = 12100972.

The previous prime is 12100969. The next prime is 12100993. The reversal of 12100973 is 37900121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12096484 + 4489 = 3478^2 + 67^2 .

It is a cyclic number.

It is not a de Polignac number, because 12100973 - 22 = 12100969 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12100993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050486 + 6050487.

It is an arithmetic number, because the mean of its divisors is an integer number (6050487).

Almost surely, 212100973 is an apocalyptic number.

It is an amenable number.

12100973 is a deficient number, since it is larger than the sum of its proper divisors (1).

12100973 is an equidigital number, since it uses as much as digits as its factorization.

12100973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 12100973 is about 3478.6452822902. The cubic root of 12100973 is about 229.5831959783.

The spelling of 12100973 in words is "twelve million, one hundred thousand, nine hundred seventy-three".