12224113256 has 8 divisors (see below), whose sum is σ = 22920212370. Its totient is φ = 6112056624.

The previous prime is 12224113249. The next prime is 12224113271. The reversal of 12224113256 is 65231142221.

It can be written as a sum of positive squares in only one way, i.e., 9913388356 + 2310724900 = 99566^2 + 48070^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 764007071 + ... + 764007086.

Almost surely, 2^12224113256 is an apocalyptic number.

It is an amenable number.

12224113256 is a deficient number, since it is larger than the sum of its proper divisors (10696099114).

12224113256 is a wasteful number, since it uses less digits than its factorization.

12224113256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1528014163 (or 1528014159 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

Adding to 12224113256 its reverse (65231142221), we get a palindrome (77455255477).

The spelling of 12224113256 in words is "twelve billion, two hundred twenty-four million, one hundred thirteen thousand, two hundred fifty-six".