212034216 has 16 divisors (see below), whose sum is σ = 530085600. Its totient is φ = 70678064.

The previous prime is 212034191. The next prime is 212034233. The reversal of 212034216 is 612430212.

It is a junction number, because it is equal to n+sod(n) for n = 212034192 and 212034201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4417356 + ... + 4417403.

It is an arithmetic number, because the mean of its divisors is an integer number (33130350).

Almost surely, 2^212034216 is an apocalyptic number.

It is an amenable number.

212034216 is an abundant number, since it is smaller than the sum of its proper divisors (318051384).

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

212034216 is a wasteful number, since it uses less digits than its factorization.

212034216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8834768 (or 8834764 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 212034216 is about 14561.3947134195. The cubic root of 212034216 is about 596.3052727966.

Adding to 212034216 its reverse (612430212), we get a palindrome (824464428).

The spelling of 212034216 in words is "two hundred twelve million, thirty-four thousand, two hundred sixteen".