210300012 has 72 divisors (see below), whose sum is σ = 580638240. Its totient is φ = 63786240.

The previous prime is 210300007. The next prime is 210300023. The reversal of 210300012 is 210003012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 210299967 and 210300003.

It is an unprimeable number.

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, 30064 + ... + 36392.

It is an arithmetic number, because the mean of its divisors is an integer number (8064420).

Almost surely, 2^210300012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210300012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290319120).

210300012 is an abundant number, since it is smaller than the sum of its proper divisors (370338228).

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

210300012 is a wasteful number, since it uses less digits than its factorization.

210300012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6423 (or 6418 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 210300012 is about 14501.7244491819. The cubic root of 210300012 is about 594.6751158139.

Adding to 210300012 its reverse (210003012), we get a palindrome (420303024).

It can be divided in two parts, 2103000 and 12, that added together give a palindrome (2103012).

The spelling of 210300012 in words is "two hundred ten million, three hundred thousand, twelve".