122144100544 has 112 divisors (see below), whose sum is σ = 255741220800. Its totient is φ = 57796300800.

The previous prime is 122144100509. The next prime is 122144100557. The reversal of 122144100544 is 445001441221.

It is a happy 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, 35208442 + ... + 35211910.

Almost surely, 2^122144100544 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 122144100544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127870610400).

122144100544 is an abundant number, since it is smaller than the sum of its proper divisors (133597120256).

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

122144100544 is a wasteful number, since it uses less digits than its factorization.

122144100544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3882 (or 3872 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 28.

Adding to 122144100544 its reverse (445001441221), we get a palindrome (567145541765).

The spelling of 122144100544 in words is "one hundred twenty-two billion, one hundred forty-four million, one hundred thousand, five hundred forty-four".