212243302 has 4 divisors (see below), whose sum is σ = 318364956. Its totient is φ = 106121650.

The previous prime is 212243299. The next prime is 212243309. The reversal of 212243302 is 203342212.

212243302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 212243302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212243309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53060824 + ... + 53060827.

It is an arithmetic number, because the mean of its divisors is an integer number (79591239).

Almost surely, 2^212243302 is an apocalyptic number.

212243302 is a deficient number, since it is larger than the sum of its proper divisors (106121654).

212243302 is a wasteful number, since it uses less digits than its factorization.

212243302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106121653.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 212243302 is about 14568.5724077550. The cubic root of 212243302 is about 596.5012130671.

Adding to 212243302 its reverse (203342212), we get a palindrome (415585514).

The spelling of 212243302 in words is "two hundred twelve million, two hundred forty-three thousand, three hundred two".