22122120132 has 36 divisors (see below), whose sum is σ = 63908347776. Its totient is φ = 6320605680.

The previous prime is 22122120121. The next prime is 22122120133. The reversal of 22122120132 is 23102122122.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (22122120133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43892844 + ... + 43893347.

Almost surely, 2^22122120132 is an apocalyptic number.

It is an amenable number.

22122120132 is an abundant number, since it is smaller than the sum of its proper divisors (41786227644).

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

22122120132 is a wasteful number, since it uses less digits than its factorization.

22122120132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87786208 (or 87786203 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 22122120132 its reverse (23102122122), we get a palindrome (45224242254).

The spelling of 22122120132 in words is "twenty-two billion, one hundred twenty-two million, one hundred twenty thousand, one hundred thirty-two".