212303130 has 32 divisors (see below), whose sum is σ = 548722944. Its totient is φ = 52259136.

The previous prime is 212303071. The next prime is 212303137. The reversal of 212303130 is 31303212.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (212303137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 271794 + ... + 272573.

It is an arithmetic number, because the mean of its divisors is an integer number (17147592).

Almost surely, 2^212303130 is an apocalyptic number.

212303130 is an abundant number, since it is smaller than the sum of its proper divisors (336419814).

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

212303130 is a wasteful number, since it uses less digits than its factorization.

212303130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544390.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 212303130 is about 14570.6255871188. The cubic root of 212303130 is about 596.5572558593.

Adding to 212303130 its reverse (31303212), we get a palindrome (243606342).

The spelling of 212303130 in words is "two hundred twelve million, three hundred three thousand, one hundred thirty".