212335130 has 24 divisors (see below), whose sum is σ = 444604788. Its totient is φ = 72800448.

The previous prime is 212335111. The next prime is 212335133. The reversal of 212335130 is 31533212.

212335130 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 212197489 + 137641 = 14567^2 + 371^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (212335133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 216179 + ... + 217158.

Almost surely, 2^212335130 is an apocalyptic number.

212335130 is an abundant number, since it is smaller than the sum of its proper divisors (232269658).

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

212335130 is a wasteful number, since it uses less digits than its factorization.

212335130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433358 (or 433351 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 212335130 is about 14571.7236454717. The cubic root of 212335130 is about 596.5872269564.

Adding to 212335130 its reverse (31533212), we get a palindrome (243868342).

The spelling of 212335130 in words is "two hundred twelve million, three hundred thirty-five thousand, one hundred thirty".