1200102002039 has 2 divisors, whose sum is σ = 1200102002040. Its totient is φ = 1200102002038.

The previous prime is 1200102001979. The next prime is 1200102002051. The reversal of 1200102002039 is 9302002010021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1200102002039 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1200102002039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200102002059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600051001019 + 600051001020.

It is an arithmetic number, because the mean of its divisors is an integer number (600051001020).

Almost surely, 2^{1200102002039} is an apocalyptic number.

1200102002039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200102002039 is an equidigital number, since it uses as much as digits as its factorization.

1200102002039 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 1200102002039 in words is "one trillion, two hundred billion, one hundred two million, two thousand, thirty-nine".