305305124045012 has 48 divisors (see below), whose sum is σ = 686170713591552. Its totient is φ = 115528742588160.

The previous prime is 305305124044867. The next prime is 305305124045029. The reversal of 305305124045012 is 210540421503503.

It is a super-2 number, since 2×305305124045012² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18233694689 + ... + 18233711432.

It is an arithmetic number, because the mean of its divisors is an integer number (14295223199824).

Almost surely, 2^{305305124045012} is an apocalyptic number.

It is an amenable number.

305305124045012 is an abundant number, since it is smaller than the sum of its proper divisors (380865589546540).

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

305305124045012 is a wasteful number, since it uses less digits than its factorization.

305305124045012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36467406168 (or 36467406166 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 305305124045012 its reverse (210540421503503), we get a palindrome (515845545548515).

The spelling of 305305124045012 in words is "three hundred five trillion, three hundred five billion, one hundred twenty-four million, forty-five thousand, twelve".