122115445144 has 32 divisors (see below), whose sum is σ = 285464678400. Its totient is φ = 47577445920.

The previous prime is 122115445103. The next prime is 122115445187. The reversal of 122115445144 is 441544511221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99119064 + ... + 99120295.

It is an arithmetic number, because the mean of its divisors is an integer number (8920771200).

Almost surely, 2^122115445144 is an apocalyptic number.

122115445144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

122115445144 is an abundant number, since it is smaller than the sum of its proper divisors (163349233256).

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

122115445144 is a wasteful number, since it uses less digits than its factorization.

122115445144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198239383 (or 198239379 counting only the distinct ones).

The product of its digits is 25600, while the sum is 34.

Adding to 122115445144 its reverse (441544511221), we get a palindrome (563659956365).

The spelling of 122115445144 in words is "one hundred twenty-two billion, one hundred fifteen million, four hundred forty-five thousand, one hundred forty-four".