120203340242 has 8 divisors (see below), whose sum is σ = 181959185100. Its totient is φ = 59550278544.

The previous prime is 120203340241. The next prime is 120203340253. The reversal of 120203340242 is 242043302021.

It can be written as a sum of positive squares in 2 ways, for example, as 95548373881 + 24654966361 = 309109^2 + 157019^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (120203340241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275695517 + ... + 275695952.

Almost surely, 2^120203340242 is an apocalyptic number.

120203340242 is a deficient number, since it is larger than the sum of its proper divisors (61755844858).

120203340242 is a wasteful number, since it uses less digits than its factorization.

120203340242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551391580.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 120203340242 its reverse (242043302021), we get a palindrome (362246642263).

The spelling of 120203340242 in words is "one hundred twenty billion, two hundred three million, three hundred forty thousand, two hundred forty-two".