12301432021 has 8 divisors (see below), whose sum is σ = 12490514720. Its totient is φ = 12112510608.

The previous prime is 12301431979. The next prime is 12301432027. The reversal of 12301432021 is 12023410321.

It is a happy number.

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 12301432021 - 2⁹ = 12301431509 is a prime.

It is a super-3 number, since 3×12301432021³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12301432021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12301432027) 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, 118135 + ... + 196363.

It is an arithmetic number, because the mean of its divisors is an integer number (1561314340).

Almost surely, 2^12301432021 is an apocalyptic number.

It is an amenable number.

12301432021 is a deficient number, since it is larger than the sum of its proper divisors (189082699).

12301432021 is an equidigital number, since it uses as much as digits as its factorization.

12301432021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80643.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12301432021 its reverse (12023410321), we get a palindrome (24324842342).

The spelling of 12301432021 in words is "twelve billion, three hundred one million, four hundred thirty-two thousand, twenty-one".