1200102320999 has 2 divisors, whose sum is σ = 1200102321000. Its totient is φ = 1200102320998.

The previous prime is 1200102320993. The next prime is 1200102321037. The reversal of 1200102320999 is 9990232010021.

It is an a-pointer prime, because the next prime (1200102321037) can be obtained adding 1200102320999 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1200102320999 - 2¹⁶ = 1200102255463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200102320993) 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, 600051160499 + 600051160500.

It is an arithmetic number, because the mean of its divisors is an integer number (600051160500).

Almost surely, 2^{1200102320999} is an apocalyptic number.

1200102320999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200102320999 is an equidigital number, since it uses as much as digits as its factorization.

1200102320999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 38.

The spelling of 1200102320999 in words is "one trillion, two hundred billion, one hundred two million, three hundred twenty thousand, nine hundred ninety-nine".