12220026365653 has 16 divisors (see below), whose sum is σ = 12463557447600. Its totient is φ = 11976980520960.

The previous prime is 12220026365633. The next prime is 12220026365693. The reversal of 12220026365653 is 35656362002221.

It is a happy number.

12220026365653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 3100550462244 + 9119475903409 = 1760838^2 + 3019847^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12220026365653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220026365633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282059233 + ... + 282102553.

It is an arithmetic number, because the mean of its divisors is an integer number (778972340475).

Almost surely, 2^{12220026365653} is an apocalyptic number.

It is an amenable number.

12220026365653 is a deficient number, since it is larger than the sum of its proper divisors (243531081947).

12220026365653 is a wasteful number, since it uses less digits than its factorization.

12220026365653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48792.

The product of its (nonzero) digits is 777600, while the sum is 43.

Adding to 12220026365653 its reverse (35656362002221), we get a palindrome (47876388367874).

The spelling of 12220026365653 in words is "twelve trillion, two hundred twenty billion, twenty-six million, three hundred sixty-five thousand, six hundred fifty-three".