13123222200 has 144 divisors (see below), whose sum is σ = 48078786600. Its totient is φ = 3181382400.

The previous prime is 13123222181. The next prime is 13123222201. The reversal of 13123222200 is 222232131.

13123222200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13123222201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 311595 + ... + 351194.

Almost surely, 2^13123222200 is an apocalyptic number.

13123222200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13123222200 is an abundant number, since it is smaller than the sum of its proper divisors (34955564400).

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

13123222200 is a wasteful number, since it uses less digits than its factorization.

13123222200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662822 (or 662810 counting only the distinct ones).

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

Adding to 13123222200 its reverse (222232131), we get a palindrome (13345454331).

The spelling of 13123222200 in words is "thirteen billion, one hundred twenty-three million, two hundred twenty-two thousand, two hundred".