212530012 has 6 divisors (see below), whose sum is σ = 371927528. Its totient is φ = 106265004.

The previous prime is 212529973. The next prime is 212530013. The reversal of 212530012 is 210035212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212530013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26566248 + ... + 26566255.

Almost surely, 2^212530012 is an apocalyptic number.

It is an amenable number.

212530012 is a deficient number, since it is larger than the sum of its proper divisors (159397516).

212530012 is a wasteful number, since it uses less digits than its factorization.

212530012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53132507 (or 53132505 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 212530012 is about 14578.4091038769. The cubic root of 212530012 is about 596.7696878315.

Adding to 212530012 its reverse (210035212), we get a palindrome (422565224).

The spelling of 212530012 in words is "two hundred twelve million, five hundred thirty thousand, twelve".