13221032130 has 48 divisors (see below), whose sum is σ = 34394835384. Its totient is φ = 3523541760.

The previous prime is 13221032129. The next prime is 13221032131. The reversal of 13221032130 is 3123012231.

13221032130 is a `hidden beast` number, since 132 + 210 + 321 + 3 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (13221032129) and next prime (13221032131).

It can be written as a sum of positive squares in 4 ways, for example, as 8273175849 + 4947856281 = 90957^2 + 70341^2 .

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

It is not an unprimeable number, because it can be changed into a prime (13221032131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114502 + ... + 198878.

Almost surely, 2^13221032130 is an apocalyptic number.

13221032130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13221032130 is an abundant number, since it is smaller than the sum of its proper divisors (21173803254).

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

13221032130 is a wasteful number, since it uses less digits than its factorization.

13221032130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86131 (or 86128 counting only the distinct ones).

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

Adding to 13221032130 its reverse (3123012231), we get a palindrome (16344044361).

The spelling of 13221032130 in words is "thirteen billion, two hundred twenty-one million, thirty-two thousand, one hundred thirty".