12224443031 has 4 divisors (see below), whose sum is σ = 12240896592. Its totient is φ = 12207989472.

The previous prime is 12224443013. The next prime is 12224443037. The reversal of 12224443031 is 13034442221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12224443031 - 2³⁰ = 11150701207 is a prime.

It is a super-2 number, since 2×12224443031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12224443037) 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, 8225666 + ... + 8227151.

It is an arithmetic number, because the mean of its divisors is an integer number (3060224148).

Almost surely, 2^12224443031 is an apocalyptic number.

12224443031 is a deficient number, since it is larger than the sum of its proper divisors (16453561).

12224443031 is an equidigital number, since it uses as much as digits as its factorization.

12224443031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16453560.

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

Adding to 12224443031 its reverse (13034442221), we get a palindrome (25258885252).

The spelling of 12224443031 in words is "twelve billion, two hundred twenty-four million, four hundred forty-three thousand, thirty-one".