1200231010709 has 2 divisors, whose sum is σ = 1200231010710. Its totient is φ = 1200231010708.

The previous prime is 1200231010673. The next prime is 1200231010723. The reversal of 1200231010709 is 9070101320021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 749647735684 + 450583275025 = 865822^2 + 671255^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200231010709 - 2⁸ = 1200231010453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200231010739) 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, 600115505354 + 600115505355.

It is an arithmetic number, because the mean of its divisors is an integer number (600115505355).

Almost surely, 2^{1200231010709} is an apocalyptic number.

It is an amenable number.

1200231010709 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200231010709 is an equidigital number, since it uses as much as digits as its factorization.

1200231010709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 26.

The spelling of 1200231010709 in words is "one trillion, two hundred billion, two hundred thirty-one million, ten thousand, seven hundred nine".