1012209606823 has 2 divisors, whose sum is σ = 1012209606824. Its totient is φ = 1012209606822.

The previous prime is 1012209606817. The next prime is 1012209606851. The reversal of 1012209606823 is 3286069022101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1012209606823 - 2⁹ = 1012209606311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012209606853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506104803411 + 506104803412.

It is an arithmetic number, because the mean of its divisors is an integer number (506104803412).

Almost surely, 2^{1012209606823} is an apocalyptic number.

1012209606823 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012209606823 is an equidigital number, since it uses as much as digits as its factorization.

1012209606823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 40.

The spelling of 1012209606823 in words is "one trillion, twelve billion, two hundred nine million, six hundred six thousand, eight hundred twenty-three".