22124352512 has 88 divisors (see below), whose sum is σ = 45062756256. Its totient is φ = 10855047168.

The previous prime is 22124352479. The next prime is 22124352587. The reversal of 22124352512 is 21525342122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13852898 + ... + 13854494.

Almost surely, 2^22124352512 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 22124352512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22531378128).

22124352512 is an abundant number, since it is smaller than the sum of its proper divisors (22938403744).

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

22124352512 is a wasteful number, since it uses less digits than its factorization.

22124352512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1863 (or 1845 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

Adding to 22124352512 its reverse (21525342122), we get a palindrome (43649694634).

The spelling of 22124352512 in words is "twenty-two billion, one hundred twenty-four million, three hundred fifty-two thousand, five hundred twelve".