1200220320313 has 32 divisors (see below), whose sum is σ = 1447773004800. Its totient is φ = 973182852096.

The previous prime is 1200220320251. The next prime is 1200220320319. The reversal of 1200220320313 is 3130230220021.

It is not a de Polignac number, because 1200220320313 - 2¹³ = 1200220312121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200220320319) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7658145 + ... + 7813297.

It is an arithmetic number, because the mean of its divisors is an integer number (45242906400).

Almost surely, 2^{1200220320313} is an apocalyptic number.

It is an amenable number.

1200220320313 is a deficient number, since it is larger than the sum of its proper divisors (247552684487).

1200220320313 is a wasteful number, since it uses less digits than its factorization.

1200220320313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155961.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 1200220320313 its reverse (3130230220021), we get a palindrome (4330450540334).

The spelling of 1200220320313 in words is "one trillion, two hundred billion, two hundred twenty million, three hundred twenty thousand, three hundred thirteen".