212334450 has 48 divisors (see below), whose sum is σ = 527484096. Its totient is φ = 56526400.

The previous prime is 212334431. The next prime is 212334487. The reversal of 212334450 is 54433212.

It is a self number, because there is not a number n which added to its sum of digits gives 212334450.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153964 + ... + 155336.

It is an arithmetic number, because the mean of its divisors is an integer number (10989252).

Almost surely, 2^212334450 is an apocalyptic number.

212334450 is an abundant number, since it is smaller than the sum of its proper divisors (315149646).

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

212334450 is a wasteful number, since it uses less digits than its factorization.

212334450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2419 (or 2414 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 212334450 is about 14571.7003125922. The cubic root of 212334450 is about 596.5865901019.

Adding to 212334450 its reverse (54433212), we get a palindrome (266767662).

The spelling of 212334450 in words is "two hundred twelve million, three hundred thirty-four thousand, four hundred fifty".