120817576830 has 32 divisors (see below), whose sum is σ = 290692596384. Its totient is φ = 32136863616.

The previous prime is 120817576787. The next prime is 120817576843. The reversal of 120817576830 is 38675718021.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 120817576830.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5060197 + ... + 5084016.

It is an arithmetic number, because the mean of its divisors is an integer number (9084143637).

Almost surely, 2^120817576830 is an apocalyptic number.

120817576830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120817576830 is an abundant number, since it is smaller than the sum of its proper divisors (169875019554).

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

120817576830 is a wasteful number, since it uses less digits than its factorization.

120817576830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10144620.

The product of its (nonzero) digits is 564480, while the sum is 48.

The spelling of 120817576830 in words is "one hundred twenty billion, eight hundred seventeen million, five hundred seventy-six thousand, eight hundred thirty".