12244210021 has 8 divisors (see below), whose sum is σ = 12290632640. Its totient is φ = 12197872512.

The previous prime is 12244210009. The next prime is 12244210051. The reversal of 12244210021 is 12001244221.

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 12244210021 - 2¹¹ = 12244207973 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 (12244210051) 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, 274726 + ... + 316168.

It is an arithmetic number, because the mean of its divisors is an integer number (1536329080).

Almost surely, 2^12244210021 is an apocalyptic number.

It is an amenable number.

12244210021 is a deficient number, since it is larger than the sum of its proper divisors (46422619).

12244210021 is an equidigital number, since it uses as much as digits as its factorization.

12244210021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42555.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12244210021 its reverse (12001244221), we get a palindrome (24245454242).

The spelling of 12244210021 in words is "twelve billion, two hundred forty-four million, two hundred ten thousand, twenty-one".