1200110312329 has 2 divisors, whose sum is σ = 1200110312330. Its totient is φ = 1200110312328.

The previous prime is 1200110312279. The next prime is 1200110312353. The reversal of 1200110312329 is 9232130110021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1057713516304 + 142396796025 = 1028452^2 + 377355^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200110312329 - 2¹³ = 1200110304137 is a prime.

It is not a weakly prime, because it can be changed into another prime (1200110313329) 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, 600055156164 + 600055156165.

It is an arithmetic number, because the mean of its divisors is an integer number (600055156165).

Almost surely, 2^{1200110312329} is an apocalyptic number.

It is an amenable number.

1200110312329 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200110312329 is an equidigital number, since it uses as much as digits as its factorization.

1200110312329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

The spelling of 1200110312329 in words is "one trillion, two hundred billion, one hundred ten million, three hundred twelve thousand, three hundred twenty-nine".