121310322023312 has 80 divisors (see below), whose sum is σ = 249190500006000. Its totient is φ = 57108467834880.

The previous prime is 121310322023291. The next prime is 121310322023389. The reversal of 121310322023312 is 213320223013121.

It can be written as a sum of positive squares in 8 ways, for example, as 29991351262096 + 91318970761216 = 5476436^2 + 9556096^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39162314 + ... + 42146262.

It is an arithmetic number, because the mean of its divisors is an integer number (3114881250075).

Almost surely, 2^{121310322023312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121310322023312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124595250003000).

121310322023312 is an abundant number, since it is smaller than the sum of its proper divisors (127880177982688).

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

121310322023312 is a wasteful number, since it uses less digits than its factorization.

121310322023312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2986164 (or 2986158 counting only the distinct ones).

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

Adding to 121310322023312 its reverse (213320223013121), we get a palindrome (334630545036433).

The spelling of 121310322023312 in words is "one hundred twenty-one trillion, three hundred ten billion, three hundred twenty-two million, twenty-three thousand, three hundred twelve".