12224526137 has 4 divisors (see below), whose sum is σ = 12241204260. Its totient is φ = 12207848016.

The previous prime is 12224526133. The next prime is 12224526179. The reversal of 12224526137 is 73162542221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11896046761 + 328479376 = 109069^2 + 18124^2 .

It is a cyclic number.

It is not a de Polignac number, because 12224526137 - 2² = 12224526133 is a prime.

It is a super-2 number, since 2×12224526137² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12224526097 and 12224526106.

It is not an unprimeable number, because it can be changed into a prime (12224526131) 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, 8337962 + ... + 8339427.

It is an arithmetic number, because the mean of its divisors is an integer number (3060301065).

Almost surely, 2^12224526137 is an apocalyptic number.

It is an amenable number.

12224526137 is a deficient number, since it is larger than the sum of its proper divisors (16678123).

12224526137 is an equidigital number, since it uses as much as digits as its factorization.

12224526137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16678122.

The product of its digits is 40320, while the sum is 35.

The spelling of 12224526137 in words is "twelve billion, two hundred twenty-four million, five hundred twenty-six thousand, one hundred thirty-seven".