120655172200005 has 48 divisors (see below), whose sum is σ = 212778030681216. Its totient is φ = 63238225265280.

The previous prime is 120655172199973. The next prime is 120655172200021. The reversal of 120655172200005 is 500002271556021.

120655172200005 is a `hidden beast` number, since 12 + 0 + 6 + 551 + 72 + 20 + 0 + 0 + 0 + 5 = 666.

It is not a de Polignac number, because 120655172200005 - 2⁵ = 120655172199973 is a prime.

It is a super-2 number, since 2×120655172200005² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 98749002 + ... + 99963371.

It is an arithmetic number, because the mean of its divisors is an integer number (4432875639192).

Almost surely, 2^{120655172200005} is an apocalyptic number.

120655172200005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120655172200005 is a deficient number, since it is larger than the sum of its proper divisors (92122858481211).

120655172200005 is a wasteful number, since it uses less digits than its factorization.

120655172200005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198712618 (or 198712615 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

The spelling of 120655172200005 in words is "one hundred twenty trillion, six hundred fifty-five billion, one hundred seventy-two million, two hundred thousand, five".