120542042223 has 12 divisors (see below), whose sum is σ = 174147190048. Its totient is φ = 80347096800.

The previous prime is 120542042213. The next prime is 120542042227. The reversal of 120542042223 is 322240245021.

120542042223 is a `hidden beast` number, since 12 + 0 + 5 + 420 + 4 + 2 + 223 = 666.

It is not a de Polignac number, because 120542042223 - 2²⁰ = 120540993647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120542042227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1135078 + ... + 1236723.

Almost surely, 2^120542042223 is an apocalyptic number.

120542042223 is a deficient number, since it is larger than the sum of its proper divisors (53605147825).

120542042223 is a wasteful number, since it uses less digits than its factorization.

120542042223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2377454 (or 2377451 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 120542042223 its reverse (322240245021), we get a palindrome (442782287244).

The spelling of 120542042223 in words is "one hundred twenty billion, five hundred forty-two million, forty-two thousand, two hundred twenty-three".