22132030312 has 96 divisors (see below), whose sum is σ = 51175566720. Its totient is φ = 8916149760.

The previous prime is 22132030289. The next prime is 22132030339. The reversal of 22132030312 is 21303023122.

It is a self number, because there is not a number n which added to its sum of digits gives 22132030312.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7348887 + ... + 7351897.

It is an arithmetic number, because the mean of its divisors is an integer number (533078820).

Almost surely, 2^22132030312 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 22132030312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25587783360).

22132030312 is an abundant number, since it is smaller than the sum of its proper divisors (29043536408).

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

22132030312 is a wasteful number, since it uses less digits than its factorization.

22132030312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4151 (or 4140 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 22132030312 its reverse (21303023122), we get a palindrome (43435053434).

The spelling of 22132030312 in words is "twenty-two billion, one hundred thirty-two million, thirty thousand, three hundred twelve".