423212012 has 12 divisors (see below), whose sum is σ = 741726216. Its totient is φ = 211290240.

The previous prime is 423211967. The next prime is 423212033. The reversal of 423212012 is 210212324.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75914 + ... + 81297.

It is an arithmetic number, because the mean of its divisors is an integer number (61810518).

Almost surely, 2^423212012 is an apocalyptic number.

It is an amenable number.

423212012 is a deficient number, since it is larger than the sum of its proper divisors (318514204).

423212012 is a wasteful number, since it uses less digits than its factorization.

423212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157888 (or 157886 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 423212012 is about 20572.1173436280. The cubic root of 423212012 is about 750.7914678851.

Adding to 423212012 its reverse (210212324), we get a palindrome (633424336).

The spelling of 423212012 in words is "four hundred twenty-three million, two hundred twelve thousand, twelve".