12210452000 has 96 divisors (see below), whose sum is σ = 30699212544. Its totient is φ = 4770528000.

The previous prime is 12210451999. The next prime is 12210452003. The reversal of 12210452000 is 25401221.

12210452000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12210452000.

It is not an unprimeable number, because it can be changed into a prime (12210452003) 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 15 ways as a sum of consecutive naturals, for example, 136505 + ... + 207495.

It is an arithmetic number, because the mean of its divisors is an integer number (319783464).

Almost surely, 2^12210452000 is an apocalyptic number.

12210452000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12210452000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15349606272).

12210452000 is an abundant number, since it is smaller than the sum of its proper divisors (18488760544).

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

12210452000 is an equidigital number, since it uses as much as digits as its factorization.

12210452000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71059 (or 71041 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 12210452000 its reverse (25401221), we get a palindrome (12235853221).

The spelling of 12210452000 in words is "twelve billion, two hundred ten million, four hundred fifty-two thousand".