122011405144 has 16 divisors (see below), whose sum is σ = 228776926320. Its totient is φ = 61004224800.

The previous prime is 122011405133. The next prime is 122011405151. The reversal of 122011405144 is 441504110221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217762 + ... + 539854.

It is an arithmetic number, because the mean of its divisors is an integer number (14298557895).

Almost surely, 2^122011405144 is an apocalyptic number.

It is an amenable number.

122011405144 is a deficient number, since it is larger than the sum of its proper divisors (106765521176).

122011405144 is a wasteful number, since it uses less digits than its factorization.

122011405144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369450 (or 369446 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 122011405144 its reverse (441504110221), we get a palindrome (563515515365).

The spelling of 122011405144 in words is "one hundred twenty-two billion, eleven million, four hundred five thousand, one hundred forty-four".