12224840356 has 27 divisors (see below), whose sum is σ = 21785467809. Its totient is φ = 6002407008.

The previous prime is 12224840311. The next prime is 12224840357. The reversal of 12224840356 is 65304842221.

The square root of 12224840356 is 110566.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 643636900 + 11581203456 = 25370^2 + 107616^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12224840357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 13046320 + ... + 13047256.

Almost surely, 2^12224840356 is an apocalyptic number.

12224840356 is the 110566-th square number.

It is an amenable number.

12224840356 is a deficient number, since it is larger than the sum of its proper divisors (9560627453).

12224840356 is an frugal number, since it uses more digits than its factorization.

12224840356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1996 (or 998 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 37.

The spelling of 12224840356 in words is "twelve billion, two hundred twenty-four million, eight hundred forty thousand, three hundred fifty-six".