120320402042 has 4 divisors (see below), whose sum is σ = 180480603066. Its totient is φ = 60160201020.

The previous prime is 120320402039. The next prime is 120320402077. The reversal of 120320402042 is 240204023021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 118164750001 + 2155652041 = 343751^2 + 46429^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30080100509 + ... + 30080100512.

Almost surely, 2^120320402042 is an apocalyptic number.

120320402042 is a deficient number, since it is larger than the sum of its proper divisors (60160201024).

120320402042 is an equidigital number, since it uses as much as digits as its factorization.

120320402042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60160201023.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 120320402042 its reverse (240204023021), we get a palindrome (360524425063).

The spelling of 120320402042 in words is "one hundred twenty billion, three hundred twenty million, four hundred two thousand, forty-two".