12344321234 has 32 divisors (see below), whose sum is σ = 21779176320. Its totient is φ = 5137477632.

The previous prime is 12344321219. The next prime is 12344321317. The reversal of 12344321234 is 43212344321.

It is a junction number, because it is equal to n+sod(n) for n = 12344321197 and 12344321206.

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, 44882 + ... + 163410.

It is an arithmetic number, because the mean of its divisors is an integer number (680599260).

Almost surely, 2^12344321234 is an apocalyptic number.

12344321234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12344321234 is a deficient number, since it is larger than the sum of its proper divisors (9434855086).

12344321234 is a wasteful number, since it uses less digits than its factorization.

12344321234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118754.

The product of its digits is 13824, while the sum is 29.

Adding to 12344321234 its reverse (43212344321), we get a palindrome (55556665555).

The spelling of 12344321234 in words is "twelve billion, three hundred forty-four million, three hundred twenty-one thousand, two hundred thirty-four".