1200320111299 has 4 divisors (see below), whose sum is σ = 1228234532536. Its totient is φ = 1172405690064.

The previous prime is 1200320111191. The next prime is 1200320111311. The reversal of 1200320111299 is 9921110230021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1200320111299 - 2¹⁷ = 1200319980227 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1200320111299.

It is not an unprimeable number, because it can be changed into a prime (1200320115299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13957210554 + ... + 13957210639.

It is an arithmetic number, because the mean of its divisors is an integer number (307058633134).

Almost surely, 2^{1200320111299} is an apocalyptic number.

1200320111299 is a deficient number, since it is larger than the sum of its proper divisors (27914421237).

1200320111299 is an equidigital number, since it uses as much as digits as its factorization.

1200320111299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27914421236.

The product of its (nonzero) digits is 1944, while the sum is 31.

The spelling of 1200320111299 in words is "one trillion, two hundred billion, three hundred twenty million, one hundred eleven thousand, two hundred ninety-nine".