212130130 has 8 divisors (see below), whose sum is σ = 381834252. Its totient is φ = 84852048.

The previous prime is 212130119. The next prime is 212130151. The reversal of 212130130 is 31031212.

It can be written as a sum of positive squares in 2 ways, for example, as 211964481 + 165649 = 14559^2 + 407^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 212130130.

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 3 ways as a sum of consecutive naturals, for example, 10606497 + ... + 10606516.

Almost surely, 2^212130130 is an apocalyptic number.

212130130 is a deficient number, since it is larger than the sum of its proper divisors (169704122).

212130130 is a wasteful number, since it uses less digits than its factorization.

212130130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21213020.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 212130130 is about 14564.6877755756. The cubic root of 212130130 is about 596.3951724415.

Adding to 212130130 its reverse (31031212), we get a palindrome (243161342).

The spelling of 212130130 in words is "two hundred twelve million, one hundred thirty thousand, one hundred thirty".