12312422421321 has 48 divisors (see below), whose sum is σ = 18466391894720. Its totient is φ = 7287709968000.

The previous prime is 12312422421317. The next prime is 12312422421329.

12312422421321 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 12312422421321 - 2² = 12312422421317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12312422421329) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 154504875 + ... + 154584543.

Almost surely, 2^{12312422421321} is an apocalyptic number.

12312422421321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12312422421321 is a deficient number, since it is larger than the sum of its proper divisors (6153969473399).

12312422421321 is a wasteful number, since it uses less digits than its factorization.

12312422421321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89638 (or 89627 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

It can be divided in two parts, 1231242 and 2421321, that added together give a palindrome (3652563).

The spelling of 12312422421321 in words is "twelve trillion, three hundred twelve billion, four hundred twenty-two million, four hundred twenty-one thousand, three hundred twenty-one".