12321310034 has 32 divisors (see below), whose sum is σ = 20886405120. Its totient is φ = 5400694800.

The previous prime is 12321309977. The next prime is 12321310039. The reversal of 12321310034 is 43001312321.

It is a junction number, because it is equal to n+sod(n) for n = 12321309988 and 12321310015.

It is not an unprimeable number, because it can be changed into a prime (12321310039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161087 + ... + 224925.

It is an arithmetic number, because the mean of its divisors is an integer number (652700160).

Almost surely, 2^12321310034 is an apocalyptic number.

12321310034 is a deficient number, since it is larger than the sum of its proper divisors (8565095086).

12321310034 is a wasteful number, since it uses less digits than its factorization.

12321310034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64166.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12321310034 its reverse (43001312321), we get a palindrome (55322622355).

The spelling of 12321310034 in words is "twelve billion, three hundred twenty-one million, three hundred ten thousand, thirty-four".