12230535501 has 24 divisors (see below), whose sum is σ = 17782550136. Its totient is φ = 8100126720.

The previous prime is 12230535491. The next prime is 12230535503. The reversal of 12230535501 is 10553503221.

It is a happy number.

12230535501 is a `hidden beast` number, since 1 + 2 + 2 + 305 + 355 + 0 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2567448900 + 9663086601 = 50670^2 + 98301^2 .

It is not a de Polignac number, because 12230535501 - 2²¹ = 12228438349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12230535503) 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, 2727181 + ... + 2731661.

It is an arithmetic number, because the mean of its divisors is an integer number (740939589).

Almost surely, 2^12230535501 is an apocalyptic number.

It is an amenable number.

12230535501 is a deficient number, since it is larger than the sum of its proper divisors (5552014635).

12230535501 is a wasteful number, since it uses less digits than its factorization.

12230535501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6413 (or 6410 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The spelling of 12230535501 in words is "twelve billion, two hundred thirty million, five hundred thirty-five thousand, five hundred one".