212330712 has 32 divisors (see below), whose sum is σ = 579084480. Its totient is φ = 64342560.

The previous prime is 212330659. The next prime is 212330747. The reversal of 212330712 is 217033212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 401878 + ... + 402405.

It is an arithmetic number, because the mean of its divisors is an integer number (18096390).

Almost surely, 2^212330712 is an apocalyptic number.

212330712 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212330712 is an abundant number, since it is smaller than the sum of its proper divisors (366753768).

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

212330712 is a wasteful number, since it uses less digits than its factorization.

212330712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804303 (or 804299 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 212330712 is about 14571.5720497138. The cubic root of 212330712 is about 596.5830892510.

Adding to 212330712 its reverse (217033212), we get a palindrome (429363924).

The spelling of 212330712 in words is "two hundred twelve million, three hundred thirty thousand, seven hundred twelve".