39990320012 has 12 divisors (see below), whose sum is σ = 70067484480. Its totient is φ = 19971038736.

The previous prime is 39990320009. The next prime is 39990320033. The reversal of 39990320012 is 21002309993.

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, 6026588 + ... + 6033219.

It is an arithmetic number, because the mean of its divisors is an integer number (5838957040).

Almost surely, 2^39990320012 is an apocalyptic number.

It is an amenable number.

39990320012 is a deficient number, since it is larger than the sum of its proper divisors (30077164468).

39990320012 is a wasteful number, since it uses less digits than its factorization.

39990320012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12060640 (or 12060638 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 38.

The spelling of 39990320012 in words is "thirty-nine billion, nine hundred ninety million, three hundred twenty thousand, twelve".