305528714012 has 6 divisors (see below), whose sum is σ = 534675249528. Its totient is φ = 152764357004.

The previous prime is 305528714009. The next prime is 305528714089. The reversal of 305528714012 is 210417825503.

It is a super-2 number, since 2×305528714012² (a number of 24 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 (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38191089248 + ... + 38191089255.

It is an arithmetic number, because the mean of its divisors is an integer number (89112541588).

Almost surely, 2^305528714012 is an apocalyptic number.

It is an amenable number.

305528714012 is a deficient number, since it is larger than the sum of its proper divisors (229146535516).

305528714012 is a wasteful number, since it uses less digits than its factorization.

305528714012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76382178507 (or 76382178505 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 38.

The spelling of 305528714012 in words is "three hundred five billion, five hundred twenty-eight million, seven hundred fourteen thousand, twelve".