212037312 has 112 divisors (see below), whose sum is σ = 581997312. Its totient is φ = 68090880.

The previous prime is 212037271. The next prime is 212037323. The reversal of 212037312 is 213730212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 681637 + ... + 681947.

Almost surely, 2^212037312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212037312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290998656).

212037312 is an abundant number, since it is smaller than the sum of its proper divisors (369960000).

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

212037312 is a wasteful number, since it uses less digits than its factorization.

212037312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446 (or 436 counting only the distinct ones).

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

The square root of 212037312 is about 14561.5010215293. The cubic root of 212037312 is about 596.3081750831.

Adding to 212037312 its reverse (213730212), we get a palindrome (425767524).

The spelling of 212037312 in words is "two hundred twelve million, thirty-seven thousand, three hundred twelve".