12343314021 has 16 divisors (see below), whose sum is σ = 17176233984. Its totient is φ = 7869757104.

The previous prime is 12343314019. The next prime is 12343314037. The reversal of 12343314021 is 12041334321.

It is a happy number.

It is not a de Polignac number, because 12343314021 - 2¹ = 12343314019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12343313982 and 12343314000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12343314121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 535680 + ... + 558246.

It is an arithmetic number, because the mean of its divisors is an integer number (1073514624).

Almost surely, 2^12343314021 is an apocalyptic number.

It is an amenable number.

12343314021 is a deficient number, since it is larger than the sum of its proper divisors (4832919963).

12343314021 is a wasteful number, since it uses less digits than its factorization.

12343314021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30520.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 12343314021 its reverse (12041334321), we get a palindrome (24384648342).

The spelling of 12343314021 in words is "twelve billion, three hundred forty-three million, three hundred fourteen thousand, twenty-one".