305305363646612 has 72 divisors (see below), whose sum is σ = 669591872074944. Its totient is φ = 118901885889024.

The previous prime is 305305363646603. The next prime is 305305363646669. The reversal of 305305363646612 is 216646363503503.

It is a super-2 number, since 2×305305363646612² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

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, 380930138 + ... + 381730769.

It is an arithmetic number, because the mean of its divisors is an integer number (9299887112152).

Almost surely, 2^{305305363646612} is an apocalyptic number.

It is an amenable number.

305305363646612 is an abundant number, since it is smaller than the sum of its proper divisors (364286508428332).

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

305305363646612 is a wasteful number, since it uses less digits than its factorization.

305305363646612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762660993 (or 762660962 counting only the distinct ones).

The product of its (nonzero) digits is 20995200, while the sum is 53.

The spelling of 305305363646612 in words is "three hundred five trillion, three hundred five billion, three hundred sixty-three million, six hundred forty-six thousand, six hundred twelve".