1200223210321 has 12 divisors (see below), whose sum is σ = 1277639493120. Its totient is φ = 1127263423040.

The previous prime is 1200223210273. The next prime is 1200223210367. The reversal of 1200223210321 is 1230123220021.

It is not a de Polignac number, because 1200223210321 - 2³⁵ = 1165863471953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200223210421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4196665 + ... + 4473526.

It is an arithmetic number, because the mean of its divisors is an integer number (106469957760).

Almost surely, 2^{1200223210321} is an apocalyptic number.

It is an amenable number.

1200223210321 is a deficient number, since it is larger than the sum of its proper divisors (77416282799).

1200223210321 is an equidigital number, since it uses as much as digits as its factorization.

1200223210321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8670704 (or 8670687 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1200223210321 its reverse (1230123220021), we get a palindrome (2430346430342).

The spelling of 1200223210321 in words is "one trillion, two hundred billion, two hundred twenty-three million, two hundred ten thousand, three hundred twenty-one".