1205140222067 has 2 divisors, whose sum is σ = 1205140222068. Its totient is φ = 1205140222066.

The previous prime is 1205140222043. The next prime is 1205140222157. The reversal of 1205140222067 is 7602220415021.

It is a weak prime.

It is an emirp because it is prime and its reverse (7602220415021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1205140222067 - 2³⁶ = 1136420745331 is a prime.

It is not a weakly prime, because it can be changed into another prime (1205140222037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 602570111033 + 602570111034.

It is an arithmetic number, because the mean of its divisors is an integer number (602570111034).

Almost surely, 2^{1205140222067} is an apocalyptic number.

1205140222067 is a deficient number, since it is larger than the sum of its proper divisors (1).

1205140222067 is an equidigital number, since it uses as much as digits as its factorization.

1205140222067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 32.

Adding to 1205140222067 its reverse (7602220415021), we get a palindrome (8807360637088).

The spelling of 1205140222067 in words is "one trillion, two hundred five billion, one hundred forty million, two hundred twenty-two thousand, sixty-seven".