103212229 has 2 divisors, whose sum is σ = 103212230. Its totient is φ = 103212228.

The previous prime is 103212223. The next prime is 103212251. The reversal of 103212229 is 922212301.

It is an a-pointer prime, because the next prime (103212251) can be obtained adding 103212229 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102556129 + 656100 = 10127^2 + 810^2 .

It is a cyclic number.

It is not a de Polignac number, because 103212229 - 2¹³ = 103204037 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103212223) 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, 51606114 + 51606115.

It is an arithmetic number, because the mean of its divisors is an integer number (51606115).

Almost surely, 2^103212229 is an apocalyptic number.

It is an amenable number.

103212229 is a deficient number, since it is larger than the sum of its proper divisors (1).

103212229 is an equidigital number, since it uses as much as digits as its factorization.

103212229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 103212229 is about 10159.3419570364. The cubic root of 103212229 is about 469.0765465324.

The spelling of 103212229 in words is "one hundred three million, two hundred twelve thousand, two hundred twenty-nine".