179920012 has 12 divisors (see below), whose sum is σ = 314954640. Its totient is φ = 89932976.

The previous prime is 179920009. The next prime is 179920021. The reversal of 179920012 is 210029971.

179920012 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, 19914 + ... + 27502.

It is an arithmetic number, because the mean of its divisors is an integer number (26246220).

Almost surely, 2^179920012 is an apocalyptic number.

It is an amenable number.

179920012 is a deficient number, since it is larger than the sum of its proper divisors (135034628).

179920012 is a wasteful number, since it uses less digits than its factorization.

179920012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13520 (or 13518 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 179920012 is about 13413.4265569988. The cubic root of 179920012 is about 564.5379698372.

Adding to 179920012 its reverse (210029971), we get a palindrome (389949983).

The spelling of 179920012 in words is "one hundred seventy-nine million, nine hundred twenty thousand, twelve".