121313302242 has 16 divisors (see below), whose sum is σ = 264683568672. Its totient is φ = 36761606720.

The previous prime is 121313302237. The next prime is 121313302273. The reversal of 121313302242 is 242203313121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 919040103 + ... + 919040234.

It is an arithmetic number, because the mean of its divisors is an integer number (16542723042).

Almost surely, 2^121313302242 is an apocalyptic number.

121313302242 is an abundant number, since it is smaller than the sum of its proper divisors (143370266430).

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

121313302242 is a wasteful number, since it uses less digits than its factorization.

121313302242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1838080353.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 121313302242 its reverse (242203313121), we get a palindrome (363516615363).

The spelling of 121313302242 in words is "one hundred twenty-one billion, three hundred thirteen million, three hundred two thousand, two hundred forty-two".