212936252 has 12 divisors (see below), whose sum is σ = 374721480. Its totient is φ = 105872976.

The previous prime is 212936239. The next prime is 212936257. The reversal of 212936252 is 252639212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212936257) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 147983 + ... + 149414.

It is an arithmetic number, because the mean of its divisors is an integer number (31226790).

Almost surely, 2^212936252 is an apocalyptic number.

It is an amenable number.

212936252 is a deficient number, since it is larger than the sum of its proper divisors (161785228).

212936252 is a wasteful number, since it uses less digits than its factorization.

212936252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297580 (or 297578 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 212936252 is about 14592.3353854001. The cubic root of 212936252 is about 597.1496771709.

Adding to 212936252 its product of digits (12960), we get a palindrome (212949212).

The spelling of 212936252 in words is "two hundred twelve million, nine hundred thirty-six thousand, two hundred fifty-two".