122443340431312 has 80 divisors (see below), whose sum is σ = 255453569925120. Its totient is φ = 56642177839104.

The previous prime is 122443340431301. The next prime is 122443340431333. The reversal of 122443340431312 is 213134043344221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 715928113 + ... + 716099119.

It is an arithmetic number, because the mean of its divisors is an integer number (3193169624064).

Almost surely, 2^{122443340431312} is an apocalyptic number.

It is an amenable number.

122443340431312 is an abundant number, since it is smaller than the sum of its proper divisors (133010229493808).

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

122443340431312 is a wasteful number, since it uses less digits than its factorization.

122443340431312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215708 (or 215702 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 37.

Adding to 122443340431312 its reverse (213134043344221), we get a palindrome (335577383775533).

The spelling of 122443340431312 in words is "one hundred twenty-two trillion, four hundred forty-three billion, three hundred forty million, four hundred thirty-one thousand, three hundred twelve".