12331234204421 has 8 divisors (see below), whose sum is σ = 13452396713184. Its totient is φ = 11210095231920.

The previous prime is 12331234204391. The next prime is 12331234204439. The reversal of 12331234204421 is 12440243213321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12331234204421 - 2¹⁴ = 12331234188037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12331234207421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4779566 + ... + 6892511.

It is an arithmetic number, because the mean of its divisors is an integer number (1681549589148).

Almost surely, 2^{12331234204421} is an apocalyptic number.

12331234204421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12331234204421 is a deficient number, since it is larger than the sum of its proper divisors (1121162508763).

12331234204421 is a wasteful number, since it uses less digits than its factorization.

12331234204421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11768131.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 12331234204421 its reverse (12440243213321), we get a palindrome (24771477417742).

The spelling of 12331234204421 in words is "twelve trillion, three hundred thirty-one billion, two hundred thirty-four million, two hundred four thousand, four hundred twenty-one".