1200100002239 has 2 divisors, whose sum is σ = 1200100002240. Its totient is φ = 1200100002238.

The previous prime is 1200100002173. The next prime is 1200100002253. The reversal of 1200100002239 is 9322000010021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1200100002239 - 2³² = 1195805034943 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1200100002239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200100004239) 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, 600050001119 + 600050001120.

It is an arithmetic number, because the mean of its divisors is an integer number (600050001120).

Almost surely, 2^{1200100002239} is an apocalyptic number.

1200100002239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200100002239 is an equidigital number, since it uses as much as digits as its factorization.

1200100002239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The spelling of 1200100002239 in words is "one trillion, two hundred billion, one hundred million, two thousand, two hundred thirty-nine".