212443602 has 64 divisors (see below), whose sum is σ = 499039488. Its totient is φ = 59040000.

The previous prime is 212443597. The next prime is 212443657. The reversal of 212443602 is 206344212.

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 31 ways as a sum of consecutive naturals, for example, 258352 + ... + 259172.

It is an arithmetic number, because the mean of its divisors is an integer number (7797492).

Almost surely, 2^212443602 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212443602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249519744).

212443602 is an abundant number, since it is smaller than the sum of its proper divisors (286595886).

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

212443602 is a wasteful number, since it uses less digits than its factorization.

212443602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 212443602 is about 14575.4451733043. The cubic root of 212443602 is about 596.6887990847.

Adding to 212443602 its reverse (206344212), we get a palindrome (418787814).

The spelling of 212443602 in words is "two hundred twelve million, four hundred forty-three thousand, six hundred two".