13220312300 has 54 divisors (see below), whose sum is σ = 31064644548. Its totient is φ = 4881339840.

The previous prime is 13220312279. The next prime is 13220312311. The reversal of 13220312300 is 321302231.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 374234 + ... + 408033.

Almost surely, 2^13220312300 is an apocalyptic number.

13220312300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13220312300 is an abundant number, since it is smaller than the sum of its proper divisors (17844332248).

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

13220312300 is a wasteful number, since it uses less digits than its factorization.

13220312300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782307 (or 782287 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 13220312300 its reverse (321302231), we get a palindrome (13541614531).

The spelling of 13220312300 in words is "thirteen billion, two hundred twenty million, three hundred twelve thousand, three hundred".