212306302 has 32 divisors (see below), whose sum is σ = 365649984. Its totient is φ = 91584000.

The previous prime is 212306273. The next prime is 212306357. The reversal of 212306302 is 203603212.

It is a self number, because there is not a number n which added to its sum of digits gives 212306302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65152 + ... + 68332.

It is an arithmetic number, because the mean of its divisors is an integer number (11426562).

Almost surely, 2^212306302 is an apocalyptic number.

212306302 is a deficient number, since it is larger than the sum of its proper divisors (153343682).

212306302 is a wasteful number, since it uses less digits than its factorization.

212306302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3364.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 212306302 is about 14570.7344358478. The cubic root of 212306302 is about 596.5602268788.

Adding to 212306302 its reverse (203603212), we get a palindrome (415909514).

The spelling of 212306302 in words is "two hundred twelve million, three hundred six thousand, three hundred two".