1020320130212 has 12 divisors (see below), whose sum is σ = 1785705611340. Its totient is φ = 510118526976.

The previous prime is 1020320130209. The next prime is 1020320130217. The reversal of 1020320130212 is 2120310230201.

It can be written as a sum of positive squares in 2 ways, for example, as 333002860096 + 687317270116 = 577064^2 + 829046^2 .

It is not an unprimeable number, because it can be changed into a prime (1020320130217) 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, 10329233 + ... + 10427544.

It is an arithmetic number, because the mean of its divisors is an integer number (148808800945).

Almost surely, 2^{1020320130212} is an apocalyptic number.

It is an amenable number.

1020320130212 is a deficient number, since it is larger than the sum of its proper divisors (765385481128).

1020320130212 is a wasteful number, since it uses less digits than its factorization.

1020320130212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20769070 (or 20769068 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1020320130212 its reverse (2120310230201), we get a palindrome (3140630360413).

The spelling of 1020320130212 in words is "one trillion, twenty billion, three hundred twenty million, one hundred thirty thousand, two hundred twelve".