12343331212421 has 8 divisors (see below), whose sum is σ = 14257537657344. Its totient is φ = 10561139005120.

The previous prime is 12343331212393. The next prime is 12343331212451. The reversal of 12343331212421 is 12421213334321.

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

It is not a de Polignac number, because 12343331212421 - 2⁶ = 12343331212357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12343331212451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33003559205 + ... + 33003559578.

It is an arithmetic number, because the mean of its divisors is an integer number (1782192207168).

Almost surely, 2^{12343331212421} is an apocalyptic number.

12343331212421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12343331212421 is a deficient number, since it is larger than the sum of its proper divisors (1914206444923).

12343331212421 is a wasteful number, since it uses less digits than its factorization.

12343331212421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66007118811.

The product of its digits is 20736, while the sum is 32.

Adding to 12343331212421 its reverse (12421213334321), we get a palindrome (24764544546742).

The spelling of 12343331212421 in words is "twelve trillion, three hundred forty-three billion, three hundred thirty-one million, two hundred twelve thousand, four hundred twenty-one".