12032013022221 has 4 divisors (see below), whose sum is σ = 16042684029632. Its totient is φ = 8021342014812.

The previous prime is 12032013022219. The next prime is 12032013022279. The reversal of 12032013022221 is 12222031023021.

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 not a de Polignac number, because 12032013022221 - 2¹ = 12032013022219 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 (12032013022201) 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, 2005335503701 + ... + 2005335503706.

It is an arithmetic number, because the mean of its divisors is an integer number (4010671007408).

Almost surely, 2^{12032013022221} is an apocalyptic number.

It is an amenable number.

12032013022221 is a deficient number, since it is larger than the sum of its proper divisors (4010671007411).

12032013022221 is an equidigital number, since it uses as much as digits as its factorization.

12032013022221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4010671007410.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12032013022221 its reverse (12222031023021), we get a palindrome (24254044045242).

The spelling of 12032013022221 in words is "twelve trillion, thirty-two billion, thirteen million, twenty-two thousand, two hundred twenty-one".