1200032322243 has 4 divisors (see below), whose sum is σ = 1600043096328. Its totient is φ = 800021548160.

The previous prime is 1200032322239. The next prime is 1200032322253. The reversal of 1200032322243 is 3422232300021.

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 1200032322243 - 2² = 1200032322239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1200032322253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200005387038 + ... + 200005387043.

It is an arithmetic number, because the mean of its divisors is an integer number (400010774082).

Almost surely, 2^{1200032322243} is an apocalyptic number.

1200032322243 is a deficient number, since it is larger than the sum of its proper divisors (400010774085).

1200032322243 is an equidigital number, since it uses as much as digits as its factorization.

1200032322243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400010774084.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 1200032322243 its reverse (3422232300021), we get a palindrome (4622264622264).

The spelling of 1200032322243 in words is "one trillion, two hundred billion, thirty-two million, three hundred twenty-two thousand, two hundred forty-three".