12225502553 has 24 divisors (see below), whose sum is σ = 14246529024. Its totient is φ = 10402041600.

The previous prime is 12225502507. The next prime is 12225502577. The reversal of 12225502553 is 35520552221.

It is not a de Polignac number, because 12225502553 - 2¹⁰ = 12225501529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12225502153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 564776 + ... + 586022.

It is an arithmetic number, because the mean of its divisors is an integer number (593605376).

Almost surely, 2^12225502553 is an apocalyptic number.

It is an amenable number.

12225502553 is a deficient number, since it is larger than the sum of its proper divisors (2021026471).

12225502553 is a wasteful number, since it uses less digits than its factorization.

12225502553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21473 (or 21456 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

The spelling of 12225502553 in words is "twelve billion, two hundred twenty-five million, five hundred two thousand, five hundred fifty-three".