12085942912 has 16 divisors (see below), whose sum is σ = 24077464650. Its totient is φ = 6042971392.

The previous prime is 12085942903. The next prime is 12085942919. The reversal of 12085942912 is 21924958021.

It can be written as a sum of positive squares in only one way, i.e., 9266757696 + 2819185216 = 96264^2 + 53096^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (12085942919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47210587 + ... + 47210842.

Almost surely, 2^12085942912 is an apocalyptic number.

It is an amenable number.

12085942912 is a deficient number, since it is larger than the sum of its proper divisors (11991521738).

12085942912 is an frugal number, since it uses more digits than its factorization.

12085942912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94421443 (or 94421431 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 43.

The spelling of 12085942912 in words is "twelve billion, eighty-five million, nine hundred forty-two thousand, nine hundred twelve".