130221321332 has 12 divisors (see below), whose sum is σ = 227956121316. Its totient is φ = 65091000960.

The previous prime is 130221321331. The next prime is 130221321361. The reversal of 130221321332 is 233123122031.

It can be written as a sum of positive squares in 2 ways, for example, as 51145631716 + 79075689616 = 226154^2 + 281204^2 .

It is a junction number, because it is equal to n+sod(n) for n = 130221321298 and 130221321307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130221321331) 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, 4900019 + ... + 4926522.

It is an arithmetic number, because the mean of its divisors is an integer number (18996343443).

Almost surely, 2^130221321332 is an apocalyptic number.

It is an amenable number.

130221321332 is a deficient number, since it is larger than the sum of its proper divisors (97734799984).

130221321332 is a wasteful number, since it uses less digits than its factorization.

130221321332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9829858 (or 9829856 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 130221321332 its reverse (233123122031), we get a palindrome (363344443363).

The spelling of 130221321332 in words is "one hundred thirty billion, two hundred twenty-one million, three hundred twenty-one thousand, three hundred thirty-two".