210012341200 has 120 divisors (see below), whose sum is σ = 508621743000. Its totient is φ = 83329351680.

The previous prime is 210012341197. The next prime is 210012341221. The reversal of 210012341200 is 2143210012.

It can be written as a sum of positive squares in 12 ways, for example, as 188936270224 + 21076070976 = 434668^2 + 145176^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 55366504 + ... + 55370296.

It is an arithmetic number, because the mean of its divisors is an integer number (4238514525).

Almost surely, 2^210012341200 is an apocalyptic number.

210012341200 is a gapful number since it is divisible by the number (20) 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 210012341200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254310871500).

210012341200 is an abundant number, since it is smaller than the sum of its proper divisors (298609401800).

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

210012341200 is a wasteful number, since it uses less digits than its factorization.

210012341200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4889 (or 4878 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 210012341200 its reverse (2143210012), we get a palindrome (212155551212).

The spelling of 210012341200 in words is "two hundred ten billion, twelve million, three hundred forty-one thousand, two hundred".