22132112512 has 16 divisors (see below), whose sum is σ = 44091318150. Its totient is φ = 11066056192.

The previous prime is 22132112491. The next prime is 22132112521. The reversal of 22132112512 is 21521123122.

It can be written as a sum of positive squares in only one way, i.e., 16521503296 + 5610609216 = 128536^2 + 74904^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86453437 + ... + 86453692.

Almost surely, 2^22132112512 is an apocalyptic number.

It is an amenable number.

22132112512 is a deficient number, since it is larger than the sum of its proper divisors (21959205638).

22132112512 is an equidigital number, since it uses as much as digits as its factorization.

22132112512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172907143 (or 172907131 counting only the distinct ones).

The product of its digits is 480, while the sum is 22.

Adding to 22132112512 its reverse (21521123122), we get a palindrome (43653235634).

The spelling of 22132112512 in words is "twenty-two billion, one hundred thirty-two million, one hundred twelve thousand, five hundred twelve".