12479224936 has 16 divisors (see below), whose sum is σ = 23464836900. Its totient is φ = 6221935104.

The previous prime is 12479224889. The next prime is 12479224937. The reversal of 12479224936 is 63942297421.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12470188900 + 9036036 = 111670^2 + 3006^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12479224936.

It is not an unprimeable number, because it can be changed into a prime (12479224937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2206671 + ... + 2212318.

Almost surely, 2^12479224936 is an apocalyptic number.

It is an amenable number.

12479224936 is a deficient number, since it is larger than the sum of its proper divisors (10985611964).

12479224936 is a wasteful number, since it uses less digits than its factorization.

12479224936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4419348 (or 4419344 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 49.

The spelling of 12479224936 in words is "twelve billion, four hundred seventy-nine million, two hundred twenty-four thousand, nine hundred thirty-six".