210130212 has 12 divisors (see below), whose sum is σ = 490303856. Its totient is φ = 70043400.

The previous prime is 210130169. The next prime is 210130223. The reversal of 210130212 is 212031012.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 17510851 = 210130212 / (2 + 1 + 0 + 1 + 3 + 0 + 2 + 1 + 2).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8755414 + ... + 8755437.

Almost surely, 2^210130212 is an apocalyptic number.

It is an amenable number.

210130212 is an abundant number, since it is smaller than the sum of its proper divisors (280173644).

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

210130212 is a wasteful number, since it uses less digits than its factorization.

210130212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17510858 (or 17510856 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 210130212 is about 14495.8687907969. The cubic root of 210130212 is about 594.5150222687.

Adding to 210130212 its reverse (212031012), we get a palindrome (422161224).

The spelling of 210130212 in words is "two hundred ten million, one hundred thirty thousand, two hundred twelve".