22212124132 has 12 divisors (see below), whose sum is σ = 42404964336. Its totient is φ = 10096420040.

The previous prime is 22212124111. The next prime is 22212124139. The reversal of 22212124132 is 23142121222.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (22212124139) 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 3 ways as a sum of consecutive naturals, for example, 252410458 + ... + 252410545.

It is an arithmetic number, because the mean of its divisors is an integer number (3533747028).

Almost surely, 2^22212124132 is an apocalyptic number.

22212124132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22212124132 is a deficient number, since it is larger than the sum of its proper divisors (20192840204).

22212124132 is a wasteful number, since it uses less digits than its factorization.

22212124132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504821018 (or 504821016 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

Adding to 22212124132 its reverse (23142121222), we get a palindrome (45354245354).

The spelling of 22212124132 in words is "twenty-two billion, two hundred twelve million, one hundred twenty-four thousand, one hundred thirty-two".