340412221230197 has 2 divisors, whose sum is σ = 340412221230198. Its totient is φ = 340412221230196.

The previous prime is 340412221230173. The next prime is 340412221230227. The reversal of 340412221230197 is 791032122214043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 290935824899281 + 49476396330916 = 17056841^2 + 7033946^2 .

It is a cyclic number.

It is not a de Polignac number, because 340412221230197 - 2¹⁰ = 340412221229173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340412221230167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170206110615098 + 170206110615099.

It is an arithmetic number, because the mean of its divisors is an integer number (170206110615099).

Almost surely, 2^{340412221230197} is an apocalyptic number.

It is an amenable number.

340412221230197 is a deficient number, since it is larger than the sum of its proper divisors (1).

340412221230197 is an equidigital number, since it uses as much as digits as its factorization.

340412221230197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 340412221230197 in words is "three hundred forty trillion, four hundred twelve billion, two hundred twenty-one million, two hundred thirty thousand, one hundred ninety-seven".