12072850305 has 32 divisors (see below), whose sum is σ = 21342092544. Its totient is φ = 5796612096.

The previous prime is 12072850291. The next prime is 12072850327. The reversal of 12072850305 is 50305827021.

It is not a de Polignac number, because 12072850305 - 2⁷ = 12072850177 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1023364 + ... + 1035093.

It is an arithmetic number, because the mean of its divisors is an integer number (666940392).

Almost surely, 2^12072850305 is an apocalyptic number.

12072850305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12072850305 is a deficient number, since it is larger than the sum of its proper divisors (9269242239).

12072850305 is a wasteful number, since it uses less digits than its factorization.

12072850305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2058505.

The product of its (nonzero) digits is 16800, while the sum is 33.

The spelling of 12072850305 in words is "twelve billion, seventy-two million, eight hundred fifty thousand, three hundred five".