320220211330012 has 48 divisors (see below), whose sum is σ = 661102052179968. Its totient is φ = 132809771669760.

The previous prime is 320220211330009. The next prime is 320220211330013. The reversal of 320220211330012 is 210033112022023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320220211330013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 399171813 + ... + 399973219.

It is an arithmetic number, because the mean of its divisors is an integer number (13772959420416).

Almost surely, 2^{320220211330012} is an apocalyptic number.

It is an amenable number.

320220211330012 is an abundant number, since it is smaller than the sum of its proper divisors (340881840849956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320220211330012 is a wasteful number, since it uses less digits than its factorization.

320220211330012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261786 (or 1261784 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 320220211330012 its reverse (210033112022023), we get a palindrome (530253323352035).

The spelling of 320220211330012 in words is "three hundred twenty trillion, two hundred twenty billion, two hundred eleven million, three hundred thirty thousand, twelve".