30305244531212 has 72 divisors (see below), whose sum is σ = 65256967321056. Its totient is φ = 12253086058752.

The previous prime is 30305244531193. The next prime is 30305244531227. The reversal of 30305244531212 is 21213544250303.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45715763 + ... + 46373930.

It is an arithmetic number, because the mean of its divisors is an integer number (906346768348).

Almost surely, 2^{30305244531212} is an apocalyptic number.

It is an amenable number.

30305244531212 is an abundant number, since it is smaller than the sum of its proper divisors (34951722789844).

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

30305244531212 is a wasteful number, since it uses less digits than its factorization.

30305244531212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92089807 (or 92089798 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 30305244531212 its reverse (21213544250303), we get a palindrome (51518788781515).

The spelling of 30305244531212 in words is "thirty trillion, three hundred five billion, two hundred forty-four million, five hundred thirty-one thousand, two hundred twelve".