12217530455053 has 32 divisors (see below), whose sum is σ = 16034757488640. Its totient is φ = 9018634685760.

The previous prime is 12217530455027. The next prime is 12217530455059. The reversal of 12217530455053 is 35055403571221.

It is a happy number.

It is not a de Polignac number, because 12217530455053 - 2⁵ = 12217530455021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12217530455059) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30072076 + ... + 30475642.

It is an arithmetic number, because the mean of its divisors is an integer number (501086171520).

Almost surely, 2^{12217530455053} is an apocalyptic number.

It is an amenable number.

12217530455053 is a deficient number, since it is larger than the sum of its proper divisors (3817227033587).

12217530455053 is a wasteful number, since it uses less digits than its factorization.

12217530455053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424297.

The product of its (nonzero) digits is 630000, while the sum is 43.

The spelling of 12217530455053 in words is "twelve trillion, two hundred seventeen billion, five hundred thirty million, four hundred fifty-five thousand, fifty-three".