12143022433021 has 4 divisors (see below), whose sum is σ = 12143846765344. Its totient is φ = 12142198100700.

The previous prime is 12143022433013. The next prime is 12143022433039. The reversal of 12143022433021 is 12033422034121.

12143022433021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12143022433021 - 2³ = 12143022433013 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 (12143022433081) 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, 412144065 + ... + 412173526.

It is an arithmetic number, because the mean of its divisors is an integer number (3035961691336).

Almost surely, 2^{12143022433021} is an apocalyptic number.

It is an amenable number.

12143022433021 is a deficient number, since it is larger than the sum of its proper divisors (824332323).

12143022433021 is an equidigital number, since it uses as much as digits as its factorization.

12143022433021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824332322.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 12143022433021 its reverse (12033422034121), we get a palindrome (24176444467142).

The spelling of 12143022433021 in words is "twelve trillion, one hundred forty-three billion, twenty-two million, four hundred thirty-three thousand, twenty-one".