212144316 has 24 divisors (see below), whose sum is σ = 500567760. Its totient is φ = 69919872.

The previous prime is 212144293. The next prime is 212144321. The reversal of 212144316 is 613441212.

212144316 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×212144316² = 90010421622215712, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

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, 98251 + ... + 100386.

It is an arithmetic number, because the mean of its divisors is an integer number (20856990).

Almost surely, 2^212144316 is an apocalyptic number.

It is an amenable number.

212144316 is an abundant number, since it is smaller than the sum of its proper divisors (288423444).

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

212144316 is a wasteful number, since it uses less digits than its factorization.

212144316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198733 (or 198731 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

The square root of 212144316 is about 14565.1747672316. The cubic root of 212144316 is about 596.4084665978.

Adding to 212144316 its reverse (613441212), we get a palindrome (825585528).

The spelling of 212144316 in words is "two hundred twelve million, one hundred forty-four thousand, three hundred sixteen".