12032241421 has 4 divisors (see below), whose sum is σ = 12035580832. Its totient is φ = 12028902012.

The previous prime is 12032241409. The next prime is 12032241427. The reversal of 12032241421 is 12414223021.

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 12032241421 - 2²⁷ = 11898023693 is a prime.

It is a super-2 number, since 2×12032241421² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12032241392 and 12032241401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12032241427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1664295 + ... + 1671508.

It is an arithmetic number, because the mean of its divisors is an integer number (3008895208).

Almost surely, 2^12032241421 is an apocalyptic number.

It is an amenable number.

12032241421 is a deficient number, since it is larger than the sum of its proper divisors (3339411).

12032241421 is an equidigital number, since it uses as much as digits as its factorization.

12032241421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3339410.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 12032241421 its reverse (12414223021), we get a palindrome (24446464442).

The spelling of 12032241421 in words is "twelve billion, thirty-two million, two hundred forty-one thousand, four hundred twenty-one".