39505000012 has 12 divisors (see below), whose sum is σ = 69481157200. Its totient is φ = 19653240816.

The previous prime is 39504999979. The next prime is 39505000043. The reversal of 39505000012 is 21000050593.

39505000012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24813903 + ... + 24815494.

Almost surely, 2^39505000012 is an apocalyptic number.

It is an amenable number.

39505000012 is a deficient number, since it is larger than the sum of its proper divisors (29976157188).

39505000012 is a wasteful number, since it uses less digits than its factorization.

39505000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49629600 (or 49629598 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 25.

The spelling of 39505000012 in words is "thirty-nine billion, five hundred five million, twelve", and thus it is an aban number.