120242124021 has 32 divisors (see below), whose sum is σ = 164036128000. Its totient is φ = 78323604480.

The previous prime is 120242124019. The next prime is 120242124047. The reversal of 120242124021 is 120421242021.

It is not a de Polignac number, because 120242124021 - 2¹ = 120242124019 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 (120242124011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25817325 + ... + 25821981.

It is an arithmetic number, because the mean of its divisors is an integer number (5126129000).

Almost surely, 2^120242124021 is an apocalyptic number.

It is an amenable number.

120242124021 is a deficient number, since it is larger than the sum of its proper divisors (43794003979).

120242124021 is a wasteful number, since it uses less digits than its factorization.

120242124021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5629.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 120242124021 its reverse (120421242021), we get a palindrome (240663366042).

The spelling of 120242124021 in words is "one hundred twenty billion, two hundred forty-two million, one hundred twenty-four thousand, twenty-one".