130221300 has 72 divisors (see below), whose sum is σ = 411036192. Its totient is φ = 31568000.

The previous prime is 130221277. The next prime is 130221341. The reversal of 130221300 is 3122031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16431 + ... + 23030.

It is an arithmetic number, because the mean of its divisors is an integer number (5708836).

Almost surely, 2^130221300 is an apocalyptic number.

130221300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130221300 is an abundant number, since it is smaller than the sum of its proper divisors (280814892).

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

130221300 is a wasteful number, since it uses less digits than its factorization.

130221300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39489 (or 39482 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 130221300 is about 11411.4547714128. The cubic root of 130221300 is about 506.8669904616.

Adding to 130221300 its reverse (3122031), we get a palindrome (133343331).

The spelling of 130221300 in words is "one hundred thirty million, two hundred twenty-one thousand, three hundred".