120254178720609 has 12 divisors (see below), whose sum is σ = 177396235276416. Its totient is φ = 78463719448632.

The previous prime is 120254178720607. The next prime is 120254178720623. The reversal of 120254178720609 is 906027871452021.

120254178720609 is a `hidden beast` number, since 1 + 2 + 0 + 2 + 5 + 4 + 1 + 7 + 8 + 7 + 20 + 609 = 666.

It is not a de Polignac number, because 120254178720609 - 2¹ = 120254178720607 is a prime.

It is a super-2 number, since 2×120254178720609² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120254178720607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142144418869 + ... + 142144419714.

It is an arithmetic number, because the mean of its divisors is an integer number (14783019606368).

Almost surely, 2^{120254178720609} is an apocalyptic number.

It is an amenable number.

120254178720609 is a deficient number, since it is larger than the sum of its proper divisors (57142056555807).

120254178720609 is a wasteful number, since it uses less digits than its factorization.

120254178720609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284288838636 (or 284288838633 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The spelling of 120254178720609 in words is "one hundred twenty trillion, two hundred fifty-four billion, one hundred seventy-eight million, seven hundred twenty thousand, six hundred nine".