120039220242 has 90 divisors (see below), whose sum is σ = 272267344503. Its totient is φ = 39529465128.

The previous prime is 120039220237. The next prime is 120039220247. The reversal of 120039220242 is 242022930021.

120039220242 is a `hidden beast` number, since 12 + 0 + 0 + 392 + 20 + 242 = 666.

120039220242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (120039220237) and next prime (120039220247).

It can be written as a sum of positive squares in only one way, i.e., 60019610121 + 60019610121 = 244989^2 + 244989^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=244989.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (120039220247) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 718797643 + ... + 718797809.

Almost surely, 2^120039220242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120039220242

120039220242 is an abundant number, since it is smaller than the sum of its proper divisors (152228124261).

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

120039220242 is an frugal number, since it uses more digits than its factorization.

120039220242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The spelling of 120039220242 in words is "one hundred twenty billion, thirty-nine million, two hundred twenty thousand, two hundred forty-two".