210100221200012 has 72 divisors (see below), whose sum is σ = 457187027895360. Its totient is φ = 83514257910720.

The previous prime is 210100221199969. The next prime is 210100221200017. The reversal of 210100221200012 is 210002122001012.

It is a self number, because there is not a number n which added to its sum of digits gives 210100221200012.

It is not an unprimeable number, because it can be changed into a prime (210100221200017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 743397338 + ... + 743679905.

It is an arithmetic number, because the mean of its divisors is an integer number (6349819831880).

Almost surely, 2^{210100221200012} is an apocalyptic number.

210100221200012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

210100221200012 is an abundant number, since it is smaller than the sum of its proper divisors (247086806695348).

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

210100221200012 is a wasteful number, since it uses less digits than its factorization.

210100221200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487077303 (or 1487077288 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 210100221200012 its reverse (210002122001012), we get a palindrome (420102343201024).

The spelling of 210100221200012 in words is "two hundred ten trillion, one hundred billion, two hundred twenty-one million, two hundred thousand, twelve".