13220112300 has 72 divisors (see below), whose sum is σ = 38898552000. Its totient is φ = 3465606720.

The previous prime is 13220112299. The next prime is 13220112319. The reversal of 13220112300 is 321102231.

It is a super-2 number, since 2×13220112300² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 13220112300.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 355750 + ... + 391149.

Almost surely, 2^13220112300 is an apocalyptic number.

13220112300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13220112300 is an abundant number, since it is smaller than the sum of its proper divisors (25678439700).

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

13220112300 is a wasteful number, since it uses less digits than its factorization.

13220112300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746975 (or 746968 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 13220112300 its reverse (321102231), we get a palindrome (13541214531).

The spelling of 13220112300 in words is "thirteen billion, two hundred twenty million, one hundred twelve thousand, three hundred".