12444224356 has 12 divisors (see below), whose sum is σ = 22365971068. Its totient is φ = 6053946912.

The previous prime is 12444224341. The next prime is 12444224369. The reversal of 12444224356 is 65342244421.

It can be written as a sum of positive squares in 2 ways, for example, as 7279502400 + 5164721956 = 85320^2 + 71866^2 .

It is a super-2 number, since 2×12444224356² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42041151 + ... + 42041446.

Almost surely, 2^12444224356 is an apocalyptic number.

It is an amenable number.

12444224356 is a deficient number, since it is larger than the sum of its proper divisors (9921746712).

12444224356 is a wasteful number, since it uses less digits than its factorization.

12444224356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84082638 (or 84082636 counting only the distinct ones).

The product of its digits is 184320, while the sum is 37.

Adding to 12444224356 its reverse (65342244421), we get a palindrome (77786468777).

The spelling of 12444224356 in words is "twelve billion, four hundred forty-four million, two hundred twenty-four thousand, three hundred fifty-six".