12225562600649 has 4 divisors (see below), whose sum is σ = 12226780660164. Its totient is φ = 12224344541136.

The previous prime is 12225562600639. The next prime is 12225562600661. The reversal of 12225562600649 is 94600626552221.

12225562600649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 8652233995024 + 3573328605625 = 2941468^2 + 1890325^2 .

It is a cyclic number.

It is not a de Polignac number, because 12225562600649 - 2¹⁶ = 12225562535113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12225562600597 and 12225562600606.

It is not an unprimeable number, because it can be changed into a prime (12225562600639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 609014702 + ... + 609034775.

It is an arithmetic number, because the mean of its divisors is an integer number (3056695165041).

Almost surely, 2^{12225562600649} is an apocalyptic number.

It is an amenable number.

12225562600649 is a deficient number, since it is larger than the sum of its proper divisors (1218059515).

12225562600649 is a wasteful number, since it uses less digits than its factorization.

12225562600649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218059514.

The product of its (nonzero) digits is 3110400, while the sum is 50.

The spelling of 12225562600649 in words is "twelve trillion, two hundred twenty-five billion, five hundred sixty-two million, six hundred thousand, six hundred forty-nine".