12033244421 has 12 divisors (see below), whose sum is σ = 13424045376. Its totient is φ = 10776032520.

The previous prime is 12033244387. The next prime is 12033244459. The reversal of 12033244421 is 12444233021.

It is not a de Polignac number, because 12033244421 - 2¹⁸ = 12032982277 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 (12033243421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 734045 + ... + 750258.

It is an arithmetic number, because the mean of its divisors is an integer number (1118670448).

Almost surely, 2^12033244421 is an apocalyptic number.

12033244421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12033244421 is a deficient number, since it is larger than the sum of its proper divisors (1390800955).

12033244421 is a wasteful number, since it uses less digits than its factorization.

12033244421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484392 (or 1484381 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 12033244421 its reverse (12444233021), we get a palindrome (24477477442).

The spelling of 12033244421 in words is "twelve billion, thirty-three million, two hundred forty-four thousand, four hundred twenty-one".