210012123300 has 108 divisors (see below), whose sum is σ = 706840853040. Its totient is φ = 48002767680.

The previous prime is 210012123271. The next prime is 210012123323. The reversal of 210012123300 is 3321210012.

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 210012123300.

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 35 ways as a sum of consecutive naturals, for example, 7128570 + ... + 7157969.

Almost surely, 2^210012123300 is an apocalyptic number.

210012123300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210012123300 is an abundant number, since it is smaller than the sum of its proper divisors (496828729740).

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

210012123300 is a wasteful number, since it uses less digits than its factorization.

210012123300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14286570 (or 14286556 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 210012123300 its reverse (3321210012), we get a palindrome (213333333312).

The spelling of 210012123300 in words is "two hundred ten billion, twelve million, one hundred twenty-three thousand, three hundred".