1200530412443 has 4 divisors (see below), whose sum is σ = 1200551000880. Its totient is φ = 1200509824008.

The previous prime is 1200530412409. The next prime is 1200530412449. The reversal of 1200530412443 is 3442140350021.

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 1200530412443 - 2¹⁰ = 1200530411419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200530412449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10206503 + ... + 10323456.

It is an arithmetic number, because the mean of its divisors is an integer number (300137750220).

Almost surely, 2^{1200530412443} is an apocalyptic number.

1200530412443 is a deficient number, since it is larger than the sum of its proper divisors (20588437).

1200530412443 is an equidigital number, since it uses as much as digits as its factorization.

1200530412443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20588436.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 1200530412443 its reverse (3442140350021), we get a palindrome (4642670762464).

The spelling of 1200530412443 in words is "one trillion, two hundred billion, five hundred thirty million, four hundred twelve thousand, four hundred forty-three".