1200330243243 has 12 divisors (see below), whose sum is σ = 1735382269920. Its totient is φ = 799494661296.

The previous prime is 1200330243241. The next prime is 1200330243283. The reversal of 1200330243243 is 3423420330021.

1200330243243 is a `hidden beast` number, since 1 + 2 + 0 + 0 + 330 + 2 + 4 + 324 + 3 = 666.

It is not a de Polignac number, because 1200330243243 - 2¹ = 1200330243241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1200330243241) 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 11 ways as a sum of consecutive naturals, for example, 60447928 + ... + 60467781.

It is an arithmetic number, because the mean of its divisors is an integer number (144615189160).

Almost surely, 2^{1200330243243} is an apocalyptic number.

1200330243243 is a deficient number, since it is larger than the sum of its proper divisors (535052026677).

1200330243243 is a wasteful number, since it uses less digits than its factorization.

1200330243243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120916818 (or 120916815 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 1200330243243 its reverse (3423420330021), we get a palindrome (4623750573264).

The spelling of 1200330243243 in words is "one trillion, two hundred billion, three hundred thirty million, two hundred forty-three thousand, two hundred forty-three".