120216555144 has 48 divisors (see below), whose sum is σ = 372098862720. Its totient is φ = 34347587040.

The previous prime is 120216555097. The next prime is 120216555161. The reversal of 120216555144 is 441555612021.

120216555144 is a `hidden beast` number, since 1 + 2 + 0 + 2 + 1 + 65 + 551 + 44 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 120216555099 and 120216555108.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119261952 + ... + 119262959.

It is an arithmetic number, because the mean of its divisors is an integer number (7752059640).

Almost surely, 2^120216555144 is an apocalyptic number.

120216555144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

120216555144 is an abundant number, since it is smaller than the sum of its proper divisors (251882307576).

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

120216555144 is a wasteful number, since it uses less digits than its factorization.

120216555144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238524930 (or 238524923 counting only the distinct ones).

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

The spelling of 120216555144 in words is "one hundred twenty billion, two hundred sixteen million, five hundred fifty-five thousand, one hundred forty-four".