13221420300 has 108 divisors (see below), whose sum is σ = 45209278296. Its totient is φ = 3205190400.

The previous prime is 13221420293. The next prime is 13221420307. The reversal of 13221420300 is 302412231.

13221420300 is a `hidden beast` number, since 1 + 322 + 1 + 42 + 0 + 300 = 666.

It is an interprime number because it is at equal distance from previous prime (13221420293) and next prime (13221420307).

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 (13221420307) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 657849 + ... + 677648.

Almost surely, 2^13221420300 is an apocalyptic number.

13221420300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13221420300 is an abundant number, since it is smaller than the sum of its proper divisors (31987857996).

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

13221420300 is a wasteful number, since it uses less digits than its factorization.

13221420300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335528 (or 1335518 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 13221420300 its reverse (302412231), we get a palindrome (13523832531).

The spelling of 13221420300 in words is "thirteen billion, two hundred twenty-one million, four hundred twenty thousand, three hundred".