12021224341 has 6 divisors (see below), whose sum is σ = 13983873270. Its totient is φ = 10303906536.

The previous prime is 12021224339. The next prime is 12021224417. The reversal of 12021224341 is 14342212021.

It can be written as a sum of positive squares in only one way, i.e., 10476341316 + 1544883025 = 102354^2 + 39305^2 .

It is not a de Polignac number, because 12021224341 - 2¹ = 12021224339 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 (12021224141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 122665506 + ... + 122665603.

It is an arithmetic number, because the mean of its divisors is an integer number (2330645545).

Almost surely, 2^12021224341 is an apocalyptic number.

It is an amenable number.

12021224341 is a deficient number, since it is larger than the sum of its proper divisors (1962648929).

12021224341 is an equidigital number, since it uses as much as digits as its factorization.

12021224341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245331123 (or 245331116 counting only the distinct ones).

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

Adding to 12021224341 its reverse (14342212021), we get a palindrome (26363436362).

The spelling of 12021224341 in words is "twelve billion, twenty-one million, two hundred twenty-four thousand, three hundred forty-one".