12144223234 has 32 divisors (see below), whose sum is σ = 21612951360. Its totient is φ = 5045016000.

The previous prime is 12144223229. The next prime is 12144223243. The reversal of 12144223234 is 43232244121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181324 + ... + 239095.

It is an arithmetic number, because the mean of its divisors is an integer number (675404730).

Almost surely, 2^12144223234 is an apocalyptic number.

12144223234 is a deficient number, since it is larger than the sum of its proper divisors (9468728126).

12144223234 is a wasteful number, since it uses less digits than its factorization.

12144223234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420546.

The product of its digits is 9216, while the sum is 28.

Adding to 12144223234 its reverse (43232244121), we get a palindrome (55376467355).

The spelling of 12144223234 in words is "twelve billion, one hundred forty-four million, two hundred twenty-three thousand, two hundred thirty-four".