120234201242 has 4 divisors (see below), whose sum is σ = 180351301866. Its totient is φ = 60117100620.

The previous prime is 120234201233. The next prime is 120234201247. The reversal of 120234201242 is 242102432021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242102432021 = 121379 ⋅1994599.

It can be written as a sum of positive squares in only one way, i.e., 76302460441 + 43931740801 = 276229^2 + 209599^2 .

It is not an unprimeable number, because it can be changed into a prime (120234201247) 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 as a sum of consecutive naturals, namely, 30058550309 + ... + 30058550312.

Almost surely, 2^120234201242 is an apocalyptic number.

120234201242 is a deficient number, since it is larger than the sum of its proper divisors (60117100624).

120234201242 is an equidigital number, since it uses as much as digits as its factorization.

120234201242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60117100623.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 120234201242 its reverse (242102432021), we get a palindrome (362336633263).

The spelling of 120234201242 in words is "one hundred twenty billion, two hundred thirty-four million, two hundred one thousand, two hundred forty-two".