12224021007 has 36 divisors (see below), whose sum is σ = 18233324312. Its totient is φ = 7277239200.

The previous prime is 12224020993. The next prime is 12224021021. The reversal of 12224021007 is 70012042221.

12224021007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12224020993) and next prime (12224021021).

It is not a de Polignac number, because 12224021007 - 2¹¹ = 12224018959 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 (12224021057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 16451878 + ... + 16452620.

Almost surely, 2^12224021007 is an apocalyptic number.

12224021007 is a deficient number, since it is larger than the sum of its proper divisors (6009303305).

12224021007 is an frugal number, since it uses more digits than its factorization.

12224021007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572 (or 818 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

Adding to 12224021007 its reverse (70012042221), we get a palindrome (82236063228).

The spelling of 12224021007 in words is "twelve billion, two hundred twenty-four million, twenty-one thousand, seven".