130221331032 has 128 divisors (see below), whose sum is σ = 372083060160. Its totient is φ = 37623398400.

The previous prime is 130221330961. The next prime is 130221331033. The reversal of 130221331032 is 230133122031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130221331033) 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 31 ways as a sum of consecutive naturals, for example, 2268282 + ... + 2324982.

Almost surely, 2^130221331032 is an apocalyptic number.

130221331032 is a gapful number since it is divisible by the number (12) 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 130221331032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186041530080).

130221331032 is an abundant number, since it is smaller than the sum of its proper divisors (241861729128).

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

130221331032 is a wasteful number, since it uses less digits than its factorization.

130221331032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57173 (or 57169 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 130221331032 its reverse (230133122031), we get a palindrome (360354453063).

The spelling of 130221331032 in words is "one hundred thirty billion, two hundred twenty-one million, three hundred thirty-one thousand, thirty-two".