120978612186 has 8 divisors (see below), whose sum is σ = 241957224384. Its totient is φ = 40326204060.

The previous prime is 120978612173. The next prime is 120978612193. The reversal of 120978612186 is 681216879021.

It is a sphenic number, since it is the product of 3 distinct primes.

120978612186 is an admirable number.

It is a Curzon number.

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, 10081551010 + ... + 10081551021.

It is an arithmetic number, because the mean of its divisors is an integer number (30244653048).

Almost surely, 2^120978612186 is an apocalyptic number.

120978612186 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

120978612186 is a wasteful number, since it uses less digits than its factorization.

120978612186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20163102036.

The product of its (nonzero) digits is 580608, while the sum is 51.

The spelling of 120978612186 in words is "one hundred twenty billion, nine hundred seventy-eight million, six hundred twelve thousand, one hundred eighty-six".