121242303042 has 32 divisors (see below), whose sum is σ = 279869088384. Its totient is φ = 34297680000.

The previous prime is 121242302977. The next prime is 121242303067. The reversal of 121242303042 is 240303242121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14286459 + ... + 14294942.

It is an arithmetic number, because the mean of its divisors is an integer number (8745909012).

Almost surely, 2^121242303042 is an apocalyptic number.

121242303042 is an abundant number, since it is smaller than the sum of its proper divisors (158626785342).

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

121242303042 is a wasteful number, since it uses less digits than its factorization.

121242303042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28581514.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 121242303042 its reverse (240303242121), we get a palindrome (361545545163).

The spelling of 121242303042 in words is "one hundred twenty-one billion, two hundred forty-two million, three hundred three thousand, forty-two".