39158977330212 has 12 divisors (see below), whose sum is σ = 91370947103856. Its totient is φ = 13052992443400.

The previous prime is 39158977330199. The next prime is 39158977330217. The reversal of 39158977330212 is 21203377985193.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (39158977330217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1631624055414 + ... + 1631624055437.

It is an arithmetic number, because the mean of its divisors is an integer number (7614245591988).

Almost surely, 2^{39158977330212} is an apocalyptic number.

It is an amenable number.

39158977330212 is an abundant number, since it is smaller than the sum of its proper divisors (52211969773644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39158977330212 is a wasteful number, since it uses less digits than its factorization.

39158977330212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3263248110858 (or 3263248110856 counting only the distinct ones).

The product of its (nonzero) digits is 17146080, while the sum is 60.

The spelling of 39158977330212 in words is "thirty-nine trillion, one hundred fifty-eight billion, nine hundred seventy-seven million, three hundred thirty thousand, two hundred twelve".