1200209815703 has 2 divisors, whose sum is σ = 1200209815704. Its totient is φ = 1200209815702.

The previous prime is 1200209815661. The next prime is 1200209815709. The reversal of 1200209815703 is 3075189020021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1200209815703 - 2⁸ = 1200209815447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200209815709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600104907851 + 600104907852.

It is an arithmetic number, because the mean of its divisors is an integer number (600104907852).

Almost surely, 2^{1200209815703} is an apocalyptic number.

1200209815703 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200209815703 is an equidigital number, since it uses as much as digits as its factorization.

1200209815703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 38.

The spelling of 1200209815703 in words is "one trillion, two hundred billion, two hundred nine million, eight hundred fifteen thousand, seven hundred three".