432321223212 has 42 divisors (see below), whose sum is σ = 1134324314508. Its totient is φ = 144107073432.

The previous prime is 432321223211. The next prime is 432321223231. The reversal of 432321223212 is 212322123234.

432321223212 is a `hidden beast` number, since 4 + 323 + 2 + 12 + 2 + 321 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (432321223211) by changing a digit.

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 13 ways as a sum of consecutive naturals, for example, 74126238 + ... + 74132069.

It is an arithmetic number, because the mean of its divisors is an integer number (27007721774).

Almost surely, 2^432321223212 is an apocalyptic number.

It is an amenable number.

432321223212 is an abundant number, since it is smaller than the sum of its proper divisors (702003091296).

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

432321223212 is a wasteful number, since it uses less digits than its factorization.

432321223212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148258329 (or 148258312 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

Adding to 432321223212 its reverse (212322123234), we get a palindrome (644643346446).

The spelling of 432321223212 in words is "four hundred thirty-two billion, three hundred twenty-one million, two hundred twenty-three thousand, two hundred twelve".