12235242522 has 16 divisors (see below), whose sum is σ = 24472324800. Its totient is φ = 4078107552.

The previous prime is 12235242511. The next prime is 12235242529. The reversal of 12235242522 is 22524253221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12235242522.

It is not an unprimeable number, because it can be changed into a prime (12235242529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18979 + ... + 157577.

It is an arithmetic number, because the mean of its divisors is an integer number (1529520300).

Almost surely, 2^12235242522 is an apocalyptic number.

12235242522 is an abundant number, since it is smaller than the sum of its proper divisors (12237082278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12235242522 is a wasteful number, since it uses less digits than its factorization.

12235242522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153317.

The product of its digits is 19200, while the sum is 30.

Adding to 12235242522 its reverse (22524253221), we get a palindrome (34759495743).

The spelling of 12235242522 in words is "twelve billion, two hundred thirty-five million, two hundred forty-two thousand, five hundred twenty-two".