121303342320 has 80 divisors (see below), whose sum is σ = 376429954560. Its totient is φ = 32314044672.

The previous prime is 121303342289. The next prime is 121303342339. The reversal of 121303342320 is 23243303121.

121303342320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a zygodrome in base 2.

It is a congruent 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, 29260 + ... + 493419.

It is an arithmetic number, because the mean of its divisors is an integer number (4705374432).

Almost surely, 2^121303342320 is an apocalyptic number.

121303342320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121303342320 is an abundant number, since it is smaller than the sum of its proper divisors (255126612240).

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

121303342320 is a wasteful number, since it uses less digits than its factorization.

121303342320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523662 (or 523656 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 121303342320 its reverse (23243303121), we get a palindrome (144546645441).

The spelling of 121303342320 in words is "one hundred twenty-one billion, three hundred three million, three hundred forty-two thousand, three hundred twenty".