120665055000 has 160 divisors (see below), whose sum is σ = 430809096960. Its totient is φ = 27580560000.

The previous prime is 120665054971. The next prime is 120665055047. The reversal of 120665055000 is 550566021.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 469596 + ... + 679595.

It is an arithmetic number, because the mean of its divisors is an integer number (2692556856).

Almost surely, 2^120665055000 is an apocalyptic number.

120665055000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120665055000 is an abundant number, since it is smaller than the sum of its proper divisors (310144041960).

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

120665055000 is a wasteful number, since it uses less digits than its factorization.

120665055000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149227 (or 1149208 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 120665055000 in words is "one hundred twenty billion, six hundred sixty-five million, fifty-five thousand".