212430012 has 48 divisors (see below), whose sum is σ = 505999872. Its totient is φ = 69348160.

The previous prime is 212429983. The next prime is 212430037. The reversal of 212430012 is 210034212.

212430012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 212429973 and 212430000.

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, 141538 + ... + 143030.

It is an arithmetic number, because the mean of its divisors is an integer number (10541664).

Almost surely, 2^212430012 is an apocalyptic number.

It is an amenable number.

212430012 is an abundant number, since it is smaller than the sum of its proper divisors (293569860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212430012 is a wasteful number, since it uses less digits than its factorization.

212430012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1738 (or 1736 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 212430012 is about 14574.9789708253. The cubic root of 212430012 is about 596.6760754353.

Adding to 212430012 its reverse (210034212), we get a palindrome (422464224).

The spelling of 212430012 in words is "two hundred twelve million, four hundred thirty thousand, twelve".