121311322442 has 8 divisors (see below), whose sum is σ = 182057836896. Its totient is φ = 60625376812.

The previous prime is 121311322411. The next prime is 121311322469. The reversal of 121311322442 is 244223113121.

It is a happy number.

121311322442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15137198 + ... + 15145209.

It is an arithmetic number, because the mean of its divisors is an integer number (22757229612).

Almost surely, 2^121311322442 is an apocalyptic number.

121311322442 is a deficient number, since it is larger than the sum of its proper divisors (60746514454).

121311322442 is a wasteful number, since it uses less digits than its factorization.

121311322442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30284412.

The product of its digits is 2304, while the sum is 26.

Adding to 121311322442 its reverse (244223113121), we get a palindrome (365534435563).

The spelling of 121311322442 in words is "one hundred twenty-one billion, three hundred eleven million, three hundred twenty-two thousand, four hundred forty-two".