212245230 has 32 divisors (see below), whose sum is σ = 517743648. Its totient is φ = 55670400.

The previous prime is 212245217. The next prime is 212245259. The reversal of 212245230 is 32542212.

It is a junction number, because it is equal to n+sod(n) for n = 212245197 and 212245206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56161 + ... + 59820.

It is an arithmetic number, because the mean of its divisors is an integer number (16179489).

Almost surely, 2^212245230 is an apocalyptic number.

212245230 is an abundant number, since it is smaller than the sum of its proper divisors (305498418).

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

212245230 is a wasteful number, since it uses less digits than its factorization.

212245230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116052.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 212245230 is about 14568.6385774375. The cubic root of 212245230 is about 596.5030192503.

Adding to 212245230 its reverse (32542212), we get a palindrome (244787442).

The spelling of 212245230 in words is "two hundred twelve million, two hundred forty-five thousand, two hundred thirty".