130021020312 has 32 divisors (see below), whose sum is σ = 325130956800. Its totient is φ = 43329885984.

The previous prime is 130021020301. The next prime is 130021020317. The reversal of 130021020312 is 213020120031.

It is a junction number, because it is equal to n+sod(n) for n = 130021020291 and 130021020300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130021020317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 551488 + ... + 751119.

It is an arithmetic number, because the mean of its divisors is an integer number (10160342400).

Almost surely, 2^130021020312 is an apocalyptic number.

130021020312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

130021020312 is an abundant number, since it is smaller than the sum of its proper divisors (195109936488).

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

130021020312 is a wasteful number, since it uses less digits than its factorization.

130021020312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306775 (or 1306771 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 130021020312 its reverse (213020120031), we get a palindrome (343041140343).

The spelling of 130021020312 in words is "one hundred thirty billion, twenty-one million, twenty thousand, three hundred twelve".