22132230012 has 36 divisors (see below), whose sum is σ = 56153359080. Its totient is φ = 7349981472.

The previous prime is 22132230007. The next prime is 22132230013. The reversal of 22132230012 is 21003223122.

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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22132230013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1133038 + ... + 1152405.

It is an arithmetic number, because the mean of its divisors is an integer number (1559815530).

Almost surely, 2^22132230012 is an apocalyptic number.

It is an amenable number.

22132230012 is an abundant number, since it is smaller than the sum of its proper divisors (34021129068).

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

22132230012 is a wasteful number, since it uses less digits than its factorization.

22132230012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2285722 (or 2285717 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 22132230012 its reverse (21003223122), we get a palindrome (43135453134).

The spelling of 22132230012 in words is "twenty-two billion, one hundred thirty-two million, two hundred thirty thousand, twelve".