22134171612 has 72 divisors (see below), whose sum is σ = 60172928256. Its totient is φ = 6314105952.

The previous prime is 22134171569. The next prime is 22134171643. The reversal of 22134171612 is 21617143122.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 22134171612.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 348813 + ... + 407355.

Almost surely, 2^22134171612 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 22134171612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30086464128).

22134171612 is an abundant number, since it is smaller than the sum of its proper divisors (38038756644).

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

22134171612 is a wasteful number, since it uses less digits than its factorization.

22134171612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59207 (or 59198 counting only the distinct ones).

The product of its digits is 4032, while the sum is 30.

The spelling of 22134171612 in words is "twenty-two billion, one hundred thirty-four million, one hundred seventy-one thousand, six hundred twelve".