1200210109999 has 2 divisors, whose sum is σ = 1200210110000. Its totient is φ = 1200210109998.

The previous prime is 1200210109979. The next prime is 1200210110039. The reversal of 1200210109999 is 9999010120021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1200210109999 - 2³⁹ = 650454296111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200210109949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600105054999 + 600105055000.

It is an arithmetic number, because the mean of its divisors is an integer number (600105055000).

Almost surely, 2^{1200210109999} is an apocalyptic number.

1200210109999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200210109999 is an equidigital number, since it uses as much as digits as its factorization.

1200210109999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26244, while the sum is 43.

The spelling of 1200210109999 in words is "one trillion, two hundred billion, two hundred ten million, one hundred nine thousand, nine hundred ninety-nine".