121332311342 has 16 divisors (see below), whose sum is σ = 198574426800. Its totient is φ = 55142538240.

The previous prime is 121332311297. The next prime is 121332311357. The reversal of 121332311342 is 243113233121.

It is a happy number.

It is a congruent number.

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, 278717 + ... + 565992.

It is an arithmetic number, because the mean of its divisors is an integer number (12410901675).

Almost surely, 2^121332311342 is an apocalyptic number.

121332311342 is a deficient number, since it is larger than the sum of its proper divisors (77242115458).

121332311342 is a wasteful number, since it uses less digits than its factorization.

121332311342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851251.

The product of its digits is 2592, while the sum is 26.

Adding to 121332311342 its reverse (243113233121), we get a palindrome (364445544463).

The spelling of 121332311342 in words is "one hundred twenty-one billion, three hundred thirty-two million, three hundred eleven thousand, three hundred forty-two".