122342431312 has 80 divisors (see below), whose sum is σ = 256027006080. Its totient is φ = 56460096000.

The previous prime is 122342431241. The next prime is 122342431417. The reversal of 122342431312 is 213134243221.

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, 30423862 + ... + 30427882.

It is an arithmetic number, because the mean of its divisors is an integer number (3200337576).

Almost surely, 2^122342431312 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 122342431312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128013503040).

122342431312 is an abundant number, since it is smaller than the sum of its proper divisors (133684574768).

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

122342431312 is a wasteful number, since it uses less digits than its factorization.

122342431312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6932 (or 6926 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

Adding to 122342431312 its reverse (213134243221), we get a palindrome (335476674533).

The spelling of 122342431312 in words is "one hundred twenty-two billion, three hundred forty-two million, four hundred thirty-one thousand, three hundred twelve".