120165454512 has 120 divisors (see below), whose sum is σ = 338816001888. Its totient is φ = 39755520000.

The previous prime is 120165454511. The next prime is 120165454579. The reversal of 120165454512 is 215454561021.

120165454512 is a `hidden beast` number, since 1 + 2 + 0 + 165 + 45 + 451 + 2 = 666.

It is a super-3 number, since 3×120165454512³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (120165454511) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42899512 + ... + 42902312.

Almost surely, 2^120165454512 is an apocalyptic number.

120165454512 is a gapful number since it is divisible by the number (12) 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 120165454512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169408000944).

120165454512 is an abundant number, since it is smaller than the sum of its proper divisors (218650547376).

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

120165454512 is a wasteful number, since it uses less digits than its factorization.

120165454512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4939 (or 4930 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The spelling of 120165454512 in words is "one hundred twenty billion, one hundred sixty-five million, four hundred fifty-four thousand, five hundred twelve".