305214545344121 has 12 divisors (see below), whose sum is σ = 355058159293440. Its totient is φ = 261603133291080.

The previous prime is 305214545344073. The next prime is 305214545344127. The reversal of 305214545344121 is 121443545412503.

It is not a de Polignac number, because 305214545344121 - 2⁴² = 300816498833017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (305214545344127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109733261 + ... + 112480298.

It is an arithmetic number, because the mean of its divisors is an integer number (29588179941120).

Almost surely, 2^{305214545344121} is an apocalyptic number.

It is an amenable number.

305214545344121 is a deficient number, since it is larger than the sum of its proper divisors (49843613949319).

305214545344121 is a wasteful number, since it uses less digits than its factorization.

305214545344121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222241604 (or 222241597 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 44.

The spelling of 305214545344121 in words is "three hundred five trillion, two hundred fourteen billion, five hundred forty-five million, three hundred forty-four thousand, one hundred twenty-one".