1200219924859 has 2 divisors, whose sum is σ = 1200219924860. Its totient is φ = 1200219924858.

The previous prime is 1200219924821. The next prime is 1200219924887. The reversal of 1200219924859 is 9584299120021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1200219924859 - 2²⁷ = 1200085707131 is a prime.

It is not a weakly prime, because it can be changed into another prime (1200219924899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600109962429 + 600109962430.

It is an arithmetic number, because the mean of its divisors is an integer number (600109962430).

Almost surely, 2^{1200219924859} is an apocalyptic number.

1200219924859 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200219924859 is an equidigital number, since it uses as much as digits as its factorization.

1200219924859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 933120, while the sum is 52.

The spelling of 1200219924859 in words is "one trillion, two hundred billion, two hundred nineteen million, nine hundred twenty-four thousand, eight hundred fifty-nine".