12341331430021 has 4 divisors (see below), whose sum is σ = 13463270650944. Its totient is φ = 11219392209100.

The previous prime is 12341331430003. The next prime is 12341331430031. The reversal of 12341331430021 is 12003413314321.

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 12341331430021 - 2¹³ = 12341331421829 is a prime.

It is a super-2 number, since 2×12341331430021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12341331430031) 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, 560969610445 + ... + 560969610466.

It is an arithmetic number, because the mean of its divisors is an integer number (3365817662736).

Almost surely, 2^{12341331430021} is an apocalyptic number.

12341331430021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12341331430021 is a deficient number, since it is larger than the sum of its proper divisors (1121939220923).

12341331430021 is a wasteful number, since it uses less digits than its factorization.

12341331430021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121939220922.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 12341331430021 its reverse (12003413314321), we get a palindrome (24344744744342).

It can be divided in two parts, 123413314300 and 21, that added together give a palindrome (123413314321).

The spelling of 12341331430021 in words is "twelve trillion, three hundred forty-one billion, three hundred thirty-one million, four hundred thirty thousand, twenty-one".