1200341203243 has 32 divisors (see below), whose sum is σ = 1510773368832. Its totient is φ = 928361865600.

The previous prime is 1200341203133. The next prime is 1200341203283. The reversal of 1200341203243 is 3423021430021.

It is not a de Polignac number, because 1200341203243 - 2²¹ = 1200339106091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1200341203283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 847848 + ... + 1766218.

It is an arithmetic number, because the mean of its divisors is an integer number (47211667776).

Almost surely, 2^{1200341203243} is an apocalyptic number.

1200341203243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1200341203243 is a deficient number, since it is larger than the sum of its proper divisors (310432165589).

1200341203243 is a wasteful number, since it uses less digits than its factorization.

1200341203243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918715.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 1200341203243 its reverse (3423021430021), we get a palindrome (4623362633264).

The spelling of 1200341203243 in words is "one trillion, two hundred billion, three hundred forty-one million, two hundred three thousand, two hundred forty-three".