13212112200 has 96 divisors (see below), whose sum is σ = 46808640960. Its totient is φ = 3019910400.

The previous prime is 13212112187. The next prime is 13212112201. The reversal of 13212112200 is 221121231.

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 13212112200.

It is not an unprimeable number, because it can be changed into a prime (13212112201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1568671 + ... + 1577070.

It is an arithmetic number, because the mean of its divisors is an integer number (487590010).

Almost surely, 2^13212112200 is an apocalyptic number.

13212112200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13212112200 is an abundant number, since it is smaller than the sum of its proper divisors (33596528760).

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

13212112200 is a wasteful number, since it uses less digits than its factorization.

13212112200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3145767 (or 3145758 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 13212112200 its reverse (221121231), we get a palindrome (13433233431).

The spelling of 13212112200 in words is "thirteen billion, two hundred twelve million, one hundred twelve thousand, two hundred".