130320013122 has 72 divisors (see below), whose sum is σ = 306377021808. Its totient is φ = 40016340000.

The previous prime is 130320013111. The next prime is 130320013123. The reversal of 130320013122 is 221310023031.

130320013122 is a `hidden beast` number, since 1 + 30 + 320 + 0 + 1 + 312 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 130320013095 and 130320013104.

It is not an unprimeable number, because it can be changed into a prime (130320013123) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1449997 + ... + 1537247.

It is an arithmetic number, because the mean of its divisors is an integer number (4255236414).

Almost surely, 2^130320013122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130320013122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153188510904).

130320013122 is an abundant number, since it is smaller than the sum of its proper divisors (176057008686).

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

130320013122 is a wasteful number, since it uses less digits than its factorization.

130320013122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87776 (or 87760 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 130320013122 its reverse (221310023031), we get a palindrome (351630036153).

Subtracting 130320013122 from its reverse (221310023031), we obtain a palindrome (90990009909).

The spelling of 130320013122 in words is "one hundred thirty billion, three hundred twenty million, thirteen thousand, one hundred twenty-two".