1200344231233 has 4 divisors (see below), whose sum is σ = 1371821978560. Its totient is φ = 1028866483908.

The previous prime is 1200344231231. The next prime is 1200344231279. The reversal of 1200344231233 is 3321324430021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1200344231233 - 2¹ = 1200344231231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200344231231) 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, 85738873653 + ... + 85738873666.

It is an arithmetic number, because the mean of its divisors is an integer number (342955494640).

Almost surely, 2^{1200344231233} is an apocalyptic number.

It is an amenable number.

1200344231233 is a deficient number, since it is larger than the sum of its proper divisors (171477747327).

1200344231233 is an equidigital number, since it uses as much as digits as its factorization.

1200344231233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171477747326.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 1200344231233 its reverse (3321324430021), we get a palindrome (4521668661254).

The spelling of 1200344231233 in words is "one trillion, two hundred billion, three hundred forty-four million, two hundred thirty-one thousand, two hundred thirty-three".