1200221219999 has 2 divisors, whose sum is σ = 1200221220000. Its totient is φ = 1200221219998.

The previous prime is 1200221219993. The next prime is 1200221220017. The reversal of 1200221219999 is 9999121220021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1200221219999 - 2³⁶ = 1131501743263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200221219993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600110609999 + 600110610000.

It is an arithmetic number, because the mean of its divisors is an integer number (600110610000).

Almost surely, 2^{1200221219999} is an apocalyptic number.

1200221219999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200221219999 is an equidigital number, since it uses as much as digits as its factorization.

1200221219999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 104976, while the sum is 47.

The spelling of 1200221219999 in words is "one trillion, two hundred billion, two hundred twenty-one million, two hundred nineteen thousand, nine hundred ninety-nine".