12222052326 has 96 divisors (see below), whose sum is σ = 29200953600. Its totient is φ = 3663800640.

The previous prime is 12222052247. The next prime is 12222052351. The reversal of 12222052326 is 62325022221.

12222052326 is a `hidden beast` number, since 1 + 222 + 205 + 232 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 12222052326.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9879780 + ... + 9881016.

It is an arithmetic number, because the mean of its divisors is an integer number (304176600).

Almost surely, 2^12222052326 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12222052326, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14600476800).

12222052326 is an abundant number, since it is smaller than the sum of its proper divisors (16978901274).

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

12222052326 is a wasteful number, since it uses less digits than its factorization.

12222052326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1754 (or 1751 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 12222052326 its reverse (62325022221), we get a palindrome (74547074547).

The spelling of 12222052326 in words is "twelve billion, two hundred twenty-two million, fifty-two thousand, three hundred twenty-six".