122124232240 has 80 divisors (see below), whose sum is σ = 290082004992. Its totient is φ = 47793537792.

The previous prime is 122124232207. The next prime is 122124232277. The reversal of 122124232240 is 42232421221.

It is a tau number, because it is divible by the number of its divisors (80).

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, 20327317 + ... + 20333323.

Almost surely, 2^122124232240 is an apocalyptic number.

122124232240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122124232240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145041002496).

122124232240 is an abundant number, since it is smaller than the sum of its proper divisors (167957772752).

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

122124232240 is a wasteful number, since it uses less digits than its factorization.

122124232240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11474 (or 11468 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 122124232240 its reverse (42232421221), we get a palindrome (164356653461).

The spelling of 122124232240 in words is "one hundred twenty-two billion, one hundred twenty-four million, two hundred thirty-two thousand, two hundred forty".