12346444464321 has 16 divisors (see below), whose sum is σ = 17958768537600. Its totient is φ = 7482567005520.

The previous prime is 12346444464293. The next prime is 12346444464373.

12346444464321 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 12346444464321 - 2⁶ = 12346444464257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12346444464421) 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, 1166521 + ... + 5104278.

It is an arithmetic number, because the mean of its divisors is an integer number (1122423033600).

Almost surely, 2^{12346444464321} is an apocalyptic number.

12346444464321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12346444464321 is a deficient number, since it is larger than the sum of its proper divisors (5612324073279).

12346444464321 is a wasteful number, since it uses less digits than its factorization.

12346444464321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6330476.

The product of its digits is 5308416, while the sum is 48.

It can be divided in two parts, 1234644 and 4464321, that added together give a palindrome (5698965).

The spelling of 12346444464321 in words is "twelve trillion, three hundred forty-six billion, four hundred forty-four million, four hundred sixty-four thousand, three hundred twenty-one".