305532423212 has 24 divisors (see below), whose sum is σ = 547031876160. Its totient is φ = 149277473280.

The previous prime is 305532423199. The next prime is 305532423227. The reversal of 305532423212 is 212324235503.

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 7 ways as a sum of consecutive naturals, for example, 4953239 + ... + 5014542.

It is an arithmetic number, because the mean of its divisors is an integer number (22792994840).

Almost surely, 2^305532423212 is an apocalyptic number.

It is an amenable number.

305532423212 is a deficient number, since it is larger than the sum of its proper divisors (241499452948).

305532423212 is a wasteful number, since it uses less digits than its factorization.

305532423212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9967961 (or 9967959 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 305532423212 its reverse (212324235503), we get a palindrome (517856658715).

The spelling of 305532423212 in words is "three hundred five billion, five hundred thirty-two million, four hundred twenty-three thousand, two hundred twelve".