12312411421321 has 4 divisors (see below), whose sum is σ = 13431721550544. Its totient is φ = 11193101292100.

The previous prime is 12312411421283. The next prime is 12312411421357.

12312411421321 is nontrivially palindromic in base 10.

12312411421321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12312411421321 - 2⁹ = 12312411420809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12312411421321.

It is not an unprimeable number, because it can be changed into a prime (12312411421021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 559655064595 + ... + 559655064616.

It is an arithmetic number, because the mean of its divisors is an integer number (3357930387636).

Almost surely, 2^{12312411421321} is an apocalyptic number.

12312411421321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12312411421321 is a deficient number, since it is larger than the sum of its proper divisors (1119310129223).

12312411421321 is a wasteful number, since it uses less digits than its factorization.

12312411421321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119310129222.

The product of its digits is 2304, while the sum is 28.

It can be divided in two parts, 1231241 and 1421321, that added together give a palindrome (2652562).

The spelling of 12312411421321 in words is "twelve trillion, three hundred twelve billion, four hundred eleven million, four hundred twenty-one thousand, three hundred twenty-one".