12221302234 has 8 divisors (see below), whose sum is σ = 18333020628. Its totient is φ = 6110295360.

The previous prime is 12221302231. The next prime is 12221302243. The reversal of 12221302234 is 43220312221.

12221302234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11880346009 + 340956225 = 108997^2 + 18465^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12221302231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132637 + ... + 205024.

Almost surely, 2^12221302234 is an apocalyptic number.

12221302234 is a deficient number, since it is larger than the sum of its proper divisors (6111718394).

12221302234 is a wasteful number, since it uses less digits than its factorization.

12221302234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355760.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 12221302234 its reverse (43220312221), we get a palindrome (55441614455).

The spelling of 12221302234 in words is "twelve billion, two hundred twenty-one million, three hundred two thousand, two hundred thirty-four".