12343342021 has 8 divisors (see below), whose sum is σ = 12514418240. Its totient is φ = 12172319712.

The previous prime is 12343341953. The next prime is 12343342027. The reversal of 12343342021 is 12024334321.

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 12343342021 - 2⁷ = 12343341893 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 (12343342027) 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, 724426 + ... + 741268.

It is an arithmetic number, because the mean of its divisors is an integer number (1564302280).

Almost surely, 2^12343342021 is an apocalyptic number.

It is an amenable number.

12343342021 is a deficient number, since it is larger than the sum of its proper divisors (171076219).

12343342021 is a wasteful number, since it uses less digits than its factorization.

12343342021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26955.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 12343342021 its reverse (12024334321), we get a palindrome (24367676342).

The spelling of 12343342021 in words is "twelve billion, three hundred forty-three million, three hundred forty-two thousand, twenty-one".