43210012 has 12 divisors (see below), whose sum is σ = 77376376. Its totient is φ = 21102480.

The previous prime is 43210003. The next prime is 43210019. The reversal of 43210012 is 21001234.

It is a junction number, because it is equal to n+sod(n) for n = 43209974 and 43210001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43210019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125439 + ... + 125782.

Almost surely, 2^43210012 is an apocalyptic number.

It is an amenable number.

43210012 is a deficient number, since it is larger than the sum of its proper divisors (34166364).

43210012 is a wasteful number, since it uses less digits than its factorization.

43210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251268 (or 251266 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 43210012 is about 6573.4322845831. The cubic root of 43210012 is about 350.9092332191.

Adding to 43210012 its reverse (21001234), we get a palindrome (64211246).

The spelling of 43210012 in words is "forty-three million, two hundred ten thousand, twelve".