120612216560 has 80 divisors (see below), whose sum is σ = 305975273472. Its totient is φ = 43850553600.

The previous prime is 120612216541. The next prime is 120612216617. The reversal of 120612216560 is 65612216021.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6262145 + ... + 6281375.

Almost surely, 2^120612216560 is an apocalyptic number.

120612216560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120612216560 is an abundant number, since it is smaller than the sum of its proper divisors (185363056912).

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

120612216560 is a wasteful number, since it uses less digits than its factorization.

120612216560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26382 (or 26376 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 120612216560 in words is "one hundred twenty billion, six hundred twelve million, two hundred sixteen thousand, five hundred sixty".