12222333234 has 48 divisors (see below), whose sum is σ = 27404642304. Its totient is φ = 3932784000.

The previous prime is 12222333217. The next prime is 12222333257. The reversal of 12222333234 is 43233322221.

It is a junction number, because it is equal to n+sod(n) for n = 12222333198 and 12222333207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 196447 + ... + 251069.

It is an arithmetic number, because the mean of its divisors is an integer number (570930048).

Almost surely, 2^12222333234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12222333234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13702321152).

12222333234 is an abundant number, since it is smaller than the sum of its proper divisors (15182309070).

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

12222333234 is a wasteful number, since it uses less digits than its factorization.

12222333234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55063 (or 55060 counting only the distinct ones).

The product of its digits is 10368, while the sum is 27.

Adding to 12222333234 its reverse (43233322221), we get a palindrome (55455655455).

The spelling of 12222333234 in words is "twelve billion, two hundred twenty-two million, three hundred thirty-three thousand, two hundred thirty-four".