212242012 has 6 divisors (see below), whose sum is σ = 371423528. Its totient is φ = 106121004.

The previous prime is 212242001. The next prime is 212242021. The reversal of 212242012 is 210242212.

212242012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26530248 + ... + 26530255.

Almost surely, 2^212242012 is an apocalyptic number.

It is an amenable number.

212242012 is a deficient number, since it is larger than the sum of its proper divisors (159181516).

212242012 is a wasteful number, since it uses less digits than its factorization.

212242012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53060507 (or 53060505 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 212242012 is about 14568.5281343038. The cubic root of 212242012 is about 596.5000045670.

Adding to 212242012 its reverse (210242212), we get a palindrome (422484224).

The spelling of 212242012 in words is "two hundred twelve million, two hundred forty-two thousand, twelve".