130321012220 has 96 divisors (see below), whose sum is σ = 324148801536. Its totient is φ = 43067520000.

The previous prime is 130321012207. The next prime is 130321012229. The reversal of 130321012220 is 22210123031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130321012229) 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, 1029524 + ... + 1149156.

It is an arithmetic number, because the mean of its divisors is an integer number (3376550016).

Almost surely, 2^130321012220 is an apocalyptic number.

130321012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130321012220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162074400768).

130321012220 is an abundant number, since it is smaller than the sum of its proper divisors (193827789316).

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

130321012220 is a wasteful number, since it uses less digits than its factorization.

130321012220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119931 (or 119929 counting only the distinct ones).

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

Adding to 130321012220 its reverse (22210123031), we get a palindrome (152531135251).

The spelling of 130321012220 in words is "one hundred thirty billion, three hundred twenty-one million, twelve thousand, two hundred twenty".