121233340320 has 192 divisors, whose sum is σ = 408061463040. Its totient is φ = 30147821568.

The previous prime is 121233340313. The next prime is 121233340339. The reversal of 121233340320 is 23043332121.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 821289 + ... + 957591.

It is an arithmetic number, because the mean of its divisors is an integer number (2125320120).

Almost surely, 2^121233340320 is an apocalyptic number.

121233340320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121233340320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204030731520).

121233340320 is an abundant number, since it is smaller than the sum of its proper divisors (286828122720).

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

121233340320 is a wasteful number, since it uses less digits than its factorization.

121233340320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136447 (or 136439 counting only the distinct ones).

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

Adding to 121233340320 its reverse (23043332121), we get a palindrome (144276672441).

The spelling of 121233340320 in words is "one hundred twenty-one billion, two hundred thirty-three million, three hundred forty thousand, three hundred twenty".