132122121656 has 96 divisors (see below), whose sum is σ = 296613273600. Its totient is φ = 54042985920.

The previous prime is 132122121589. The next prime is 132122121667. The reversal of 132122121656 is 656121221231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14185241 + ... + 14194551.

It is an arithmetic number, because the mean of its divisors is an integer number (3089721600).

Almost surely, 2^132122121656 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 132122121656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148306636800).

132122121656 is an abundant number, since it is smaller than the sum of its proper divisors (164491151944).

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

132122121656 is a wasteful number, since it uses less digits than its factorization.

132122121656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9849 (or 9822 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

Adding to 132122121656 its reverse (656121221231), we get a palindrome (788243342887).

The spelling of 132122121656 in words is "one hundred thirty-two billion, one hundred twenty-two million, one hundred twenty-one thousand, six hundred fifty-six".