212334416 has 40 divisors (see below), whose sum is σ = 482885760. Its totient is φ = 88539264.

The previous prime is 212334389. The next prime is 212334427. The reversal of 212334416 is 614433212.

It is a super-2 number, since 2×212334416² = 90171808436122112, which contains 22 as substring.

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, 21476 + ... + 29763.

It is an arithmetic number, because the mean of its divisors is an integer number (12072144).

Almost surely, 2^212334416 is an apocalyptic number.

It is an amenable number.

212334416 is an abundant number, since it is smaller than the sum of its proper divisors (270551344).

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

212334416 is a wasteful number, since it uses less digits than its factorization.

212334416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51291 (or 51285 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 212334416 is about 14571.6991459473. The cubic root of 212334416 is about 596.5865582591.

Adding to 212334416 its reverse (614433212), we get a palindrome (826767628).

The spelling of 212334416 in words is "two hundred twelve million, three hundred thirty-four thousand, four hundred sixteen".