120665320860000 has 480 divisors, whose sum is σ = 457013712798720. Its totient is φ = 27296299008000.

The previous prime is 120665320859947. The next prime is 120665320860031. The reversal of 120665320860000 is 68023566021.

It is a tau number, because it is divible by the number of its divisors (480).

It is a super-2 number, since 2×120665320860000² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 39259081 + ... + 42220919.

It is an arithmetic number, because the mean of its divisors is an integer number (952111901664).

Almost surely, 2^{120665320860000} is an apocalyptic number.

120665320860000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120665320860000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228506856399360).

120665320860000 is an abundant number, since it is smaller than the sum of its proper divisors (336348391938720).

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

120665320860000 is an equidigital number, since it uses as much as digits as its factorization.

120665320860000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2961976 (or 2961953 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 120665320860000 in words is "one hundred twenty trillion, six hundred sixty-five billion, three hundred twenty million, eight hundred sixty thousand".