305055005212 has 6 divisors (see below), whose sum is σ = 533846259128. Its totient is φ = 152527502604.

The previous prime is 305055005197. The next prime is 305055005291. The reversal of 305055005212 is 212500550503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38131875648 + ... + 38131875655.

Almost surely, 2^305055005212 is an apocalyptic number.

It is an amenable number.

305055005212 is a deficient number, since it is larger than the sum of its proper divisors (228791253916).

305055005212 is a wasteful number, since it uses less digits than its factorization.

305055005212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76263751307 (or 76263751305 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 28.

Adding to 305055005212 its reverse (212500550503), we get a palindrome (517555555715).

The spelling of 305055005212 in words is "three hundred five billion, fifty-five million, five thousand, two hundred twelve".