212012130 has 64 divisors (see below), whose sum is σ = 560670336. Its totient is φ = 50880000.

The previous prime is 212012123. The next prime is 212012197. The reversal of 212012130 is 31210212.

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 31 ways as a sum of consecutive naturals, for example, 30150 + ... + 36510.

It is an arithmetic number, because the mean of its divisors is an integer number (8760474).

Almost surely, 2^212012130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212012130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280335168).

212012130 is an abundant number, since it is smaller than the sum of its proper divisors (348658206).

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

212012130 is a wasteful number, since it uses less digits than its factorization.

212012130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6483.

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

The square root of 212012130 is about 14560.6363185130. The cubic root of 212012130 is about 596.2845678749.

Adding to 212012130 its reverse (31210212), we get a palindrome (243222342).

The spelling of 212012130 in words is "two hundred twelve million, twelve thousand, one hundred thirty".