305421324212 has 12 divisors (see below), whose sum is σ = 535295926116. Its totient is φ = 152479631040.

The previous prime is 305421324181. The next prime is 305421324227. The reversal of 305421324212 is 212423124503.

It can be written as a sum of positive squares in 2 ways, for example, as 199805424016 + 105615900196 = 446996^2 + 324986^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57754793 + ... + 57760080.

It is an arithmetic number, because the mean of its divisors is an integer number (44607993843).

Almost surely, 2^305421324212 is an apocalyptic number.

It is an amenable number.

305421324212 is a deficient number, since it is larger than the sum of its proper divisors (229874601904).

305421324212 is a wasteful number, since it uses less digits than its factorization.

305421324212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115515538 (or 115515536 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 305421324212 its reverse (212423124503), we get a palindrome (517844448715).

The spelling of 305421324212 in words is "three hundred five billion, four hundred twenty-one million, three hundred twenty-four thousand, two hundred twelve".